#!/usr/bin/pwsh

# http://www.computerperformance.co.uk/powershell/powershell_service.htm
# A simple command to list all Windows services
# Get-Service 
# If you need filter the list of services then try this:
# Clear-Host
Get-Service -name Win* 

Get-Service : The term 'Get-Service' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/071_PS_Get-Service_01.ps1:9 char:1
+ Get-Service -name Win*
+ ~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Service:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

# PowerShell Get-Service
# Clear-Host
Get-Service Spooler 

Get-Service : The term 'Get-Service' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/071_PS_Get-Service_02.ps1:5 char:1
+ Get-Service Spooler
+ ~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Service:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException.  

#!/usr/bin/pwsh

# PowerShell cmdlet to list Windows services
Get-Service * | Sort-Object -property ServiceType | Format-Table Name, ServiceType, Status, CanStop, -auto 

Get-Service : The term 'Get-Service' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/071_PS_Get-Service_03.ps1:4 char:1
+ Get-Service * | Sort-Object -property ServiceType | Format-Table Name ...
+ ~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Service:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException.  

#!/usr/bin/pwsh

# PowerShell cmdlet to list services that are stopped
Get-Service * | Where-Object {$_.Status -eq "Stopped"} 

Get-Service : The term 'Get-Service' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/071_PS_Get-Service_04.ps1:4 char:2
+  Get-Service * | Where-Object {$_.Status -eq "Stopped"}
+  ~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Service:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

# PowerShell Get-Service parameters
Clear-Host
Get-Help Get-Service -full

Get-Help : Get-Help could not find Get-Service in a help file in this session. To download updated help topics type: "Update-Help".
To get help online, search for the help topic in the TechNet library at https://go.microsoft.com/fwlink/?LinkID=107116.
At /xxxx/PSUX-Support/PS_ref_08/071_PS_Get-Service_05.ps1:5 char:1
+ Get-Help Get-Service -full
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo          : ResourceUnavailable: (:) [Get-Help], HelpNotFoundException
+ FullyQualifiedErrorId : HelpNotFound,Microsoft.PowerShell.Commands.GetHelpCommand 

#!/usr/bin/pwsh

Clear-Host
Get-Command | where { $_.parameters.keys -Contains "ComputerName"} 

CommandType     Name                                               Version    Source
-----------     ----                                               -------    ------
Cmdlet          Enter-PSSession                                    6.2.2.0    Microsoft.PowerShell.Core
Cmdlet          Get-PSSession                                      6.2.2.0    Microsoft.PowerShell.Core
Cmdlet          Invoke-Command                                     6.2.2.0    Microsoft.PowerShell.Core
Cmdlet          New-PSSession                                      6.2.2.0    Microsoft.PowerShell.Core
Cmdlet          Receive-Job                                        6.2.2.0    Microsoft.PowerShell.Core
Cmdlet          Remove-PSSession                                   6.2.2.0    Microsoft.PowerShell.Core 

#!/usr/bin/pwsh

# Purpose: To check whether a service is installed
 Clear-Host
$sName = "alerter"
$service = Get-Service -display $sName -ErrorAction SilentlyContinue 
If ( -not $service ) {
	$sName + " is not installed on this computer. `n Did you really mean: " + $sName 
} 
else { 
	$sName + " is installed." 
	$sName + "'s status is: " + $service.Status 
} 

Get-Service : The term 'Get-Service' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/071_PS_Get-Service_07.ps1:6 char:12
+ $service = Get-Service -display $sName -ErrorAction SilentlyContinue
+            ~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Service:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException
 
 alerter is not installed on this computer. 
  Did you really mean: alerter 

#!/usr/bin/pwsh

# PowerShell cmdlet to save services that are stopped to a file
 Get-Service * |where {$_.Status -eq "Stopped"} `
| out-file ".\services.txt" 

Get-Service : The term 'Get-Service' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/071_PS_Get-Service_08.ps1:4 char:2
+  Get-Service * |where {$_.Status -eq "Stopped"} `
+  ~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Service:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

# Research PowerShell's Service Cmdlets
Clear-Host
Get-Command -Noun Service 

#!/usr/bin/pwsh

# http://www.computerperformance.co.uk/powershell/powershell_service_wmi.htm
# PowerShell script to compare: 
#    Get-Service with 
#    Get-WmiObject win32_service
# Author: Guy Thomas 
# Version 1.6 May 2009 tested on PowerShell  v2
Get-WmiObject Win32_service | Get-Member -memberType Property 

Get-WmiObject : The term 'Get-WmiObject' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/072_PS_Get-WmiObject_01.ps1:10 char:1
+ Get-WmiObject Win32_service | Get-Member -memberType Property
+ ~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-WmiObject:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException.  

#!/usr/bin/pwsh

# Script to list the StartName values Get-WmiObject win32_service
# Author: Guy Thomas
# Version 1.2 May 2009 tested on PowerShell  v2
Get-WmiObject Win32_service | Group-Object -Property StartName | 
Format-Table Name, Count -auto 

Get-WmiObject : The term 'Get-WmiObject' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/072_PS_Get-WmiObject_02.ps1:7 char:1
+ Get-WmiObject Win32_service | Group-Object -Property StartName |
+ ~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-WmiObject:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

# Script to list the StartName values Get-WmiObject win32_service
# Author: Guy Thomas
 # Version 1.2 May 2009 tested on PowerShell v2
Get-WmiObject Win32_service | Where {$_.state -eq "Running"} | 
Group-Object -Property StartName | 
Format-Table Name, Count -auto 

Get-WmiObject : The term 'Get-WmiObject' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/072_PS_Get-WmiObject_03.ps1:7 char:1
+ Get-WmiObject Win32_service | Where {$_.state -eq "Running"} |
+ ~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-WmiObject:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException. 

#!/usr/bin/pwsh

# Script to list the StartName values Get-WmiObject win32_service
# Author: Guy Thomas
# Version 1.2 May 2009 tested on PowerShell  v2
Get-WmiObject Win32_service -filter "state = 'running' " | 
Sort StartName | Group-Object -Property StartName |
Format-Table Name, Count -auto 

Get-WmiObject : The term 'Get-WmiObject' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/072_PS_Get-WmiObject_04.ps1:7 char:1
+ Get-WmiObject Win32_service -filter "state = 'running' " |
+ ~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-WmiObject:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

$ChangeService = Get-WmiObject win32_service -filter "name='Fax'"
$ChangeService.change($null,$null,$null,$null,$null,$false,".\Guy","TestId36") 

Get-WmiObject : The term 'Get-WmiObject' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/072_PS_Get-WmiObject_05.ps1:4 char:18
+ $ChangeService = Get-WmiObject win32_service -filter "name='Fax'"
+                  ~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-WmiObject:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException
 
 You cannot call a method on a null-valued expression.
 At /xxxx/PSUX-Support/PS_ref_08/072_PS_Get-WmiObject_05.ps1:5 char:1
 + $ChangeService.change($null,$null,$null,$null,$null,$false,".\Guy","T ...
 + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 + CategoryInfo          : InvalidOperation: (:) [], RuntimeException
 + FullyQualifiedErrorId : InvokeMethodOnNull 

#!/usr/bin/pwsh

# Script to list the StartName values Get-WmiObject win32_service
# Author: Guy Thomas
# Version 1.2 May 2009 tested on PowerShell v2
$File = ".\services02_UX.txt" 
Get-WmiObject win32_service -filter "state = 'running' " | 
Sort StartName | group-object -Property StartName | 
Format-Table Name, Count -auto |
Out-File  ".\services02_UX.txt"  
Invoke-Item $File 

Get-WmiObject : The term 'Get-WmiObject' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/072_PS_Get-WmiObject_06.ps1:7 char:1
+ Get-WmiObject win32_service -filter "state = 'running' " |
+ ~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-WmiObject:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException
 
Invoke-Item : Cannot find path '/xxxx/PSUX-Support/PS_ref_08/services02_UX.txt' because it does not exist.
At /xxxx/PSUX-Support/PS_ref_08/072_PS_Get-WmiObject_06.ps1:11 char:1
+ Invoke-Item $File
+ ~~~~~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (/xxxx\u20268/services02_UX.txt:String) [Invoke-Item], ItemNotFoundException
+ FullyQualifiedErrorId : PathNotFound,Microsoft.PowerShell.Commands.InvokeItemCommand 

#!/usr/bin/pwsh

# http://www.computerperformance.co.uk/powershell/powershell_get_acl.htm
# PowerShell Get-Acl Windows Log files
# Clear-Host
$Files = "./*.ps1"
Get-Acl  $Files | Format-Table -property PSPath, Owner 

Get-Acl : The term 'Get-Acl' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/073_PS_Get-Acl_01.ps1:7 char:1
+ Get-Acl  $Files | Format-Table -property PSPath, Owner
+ ~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Acl:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

# PowerShell Get-Acl Properties
# Clear-Host
$Files = "./*.ps1"
Get-Acl  $Files | Get-Member -MemberType *Property

Get-Acl : The term 'Get-Acl' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/073_PS_Get-Acl_02.ps1:6 char:1
+ Get-Acl  $Files | Get-Member -MemberType *Property
+ ~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Acl:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

# PowerShell Get-Acl Find Owner = Administrator
# Clear-Host
 $Files = "./*.ps1"
Get-Acl $Files | Where {$_.Owner -Match 'Administrator'} |
Format-Table -property PSChildName, Owner -auto 

Get-Acl : The term 'Get-Acl' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/073_PS_Get-Acl_03.ps1:6 char:1
+ Get-Acl $Files | Where {$_.Owner -Match 'Administrator'} |
+ ~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Acl:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

# Get-Acl Example 3a
Get-Acl 'C:\Users\kamxxxxx' 

Get-Acl : The term 'Get-Acl' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/073_PS_Get-Acl_04.ps1:4 char:1
+ Get-Acl './'
+ ~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Acl:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

# Get-Acl Example 3b
# Clear-Host
(Get-Acl './').Access `
| Select-Object  -ExpandProperty IdentityReference 

Get-Acl : The term 'Get-Acl' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/073_PS_Get-Acl_05.ps1:5 char:2
+ (Get-Acl './').Access `
+  ~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Acl:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

# PowerShell Get-Acl Parameters
# Clear-Host
Get-Help Get-Acl -full 

Get-Help : Get-Help could not find Get-Acl in a help file in this session. To download updated help topics type: "Update-Help".
To get help online, search for the help topic in the TechNet library at https://go.microsoft.com/fwlink/?LinkID=107116.
At /xxxx/PSUX-Support/PS_ref_08/073_PS_Get-Acl_06.ps1:5 char:1
+ Get-Help Get-Acl -full
+ ~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo          : ResourceUnavailable: (:) [Get-Help], HelpNotFoundException
+ FullyQualifiedErrorId : HelpNotFound,Microsoft.PowerShell.Commands.GetHelpCommand 

#!/usr/bin/pwsh

# PowerShell Content Cmdlet Research
# Clear-Host
Get-Command -Noun Acl 

#!/usr/bin/pwsh

# http://www.computerperformance.co.uk/powershell/powershell_set_acl.htm
# PowerShell Example Set-Acl Copy Permissions
# Clear-Host
$Source = "./OldUser.txt"
$Destination = "./NewPerson.txt"
Get-Acl $Source | Set-Acl -path $Destination 

Get-Acl : The term 'Get-Acl' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/074_PS_Set-Acl_01.ps1:8 char:1
+ Get-Acl $Source | Set-Acl -path $Destination
+ ~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Acl:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

# PowerShell Set-Acl Copy Permissions
# Clear-Host
$Source = "./OldUser.txt"
$Destination = "./NewPerson.txt"
Get-Acl $Source | Set-Acl -path $Destination -confirm 

Get-Acl : The term 'Get-Acl' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/074_PS_Set-Acl_02.ps1:7 char:1
+ Get-Acl $Source | Set-Acl -path $Destination -confirm
+ ~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Acl:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

# PowerShell Set-Acl Parameters
# Clear-Host
Get-Help Set-Acl -full 

Get-Help : Get-Help could not find Set-Acl in a help file in this session. To download updated help topics type: "Update-Help".
To get help online, search for the help topic in the TechNet library at https://go.microsoft.com/fwlink/?LinkID=107116.
At /xxxx/PSUX-Support/PS_ref_08/074_PS_Set-Acl_03.ps1:5 char:1
+ Get-Help Set-Acl -full
+ ~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo          : ResourceUnavailable: (:) [Get-Help], HelpNotFoundException
+ FullyQualifiedErrorId : HelpNotFound,Microsoft.PowerShell.Commands.GetHelpCommand 

#!/usr/bin/pwsh

# PowerShell Content Cmdlet Research
Clear-Host
Get-Command -Noun Acl 

#!/usr/bin/pwsh

# http://www.computerperformance.co.uk/powershell/powershell_files_set_content.htm
# PowerShell Set-Content cmdlet
# Clear-Host
$File = "./Accounts_UX.txt"
Set-Content -path $File  -value "Rent 500" 

[yyyyyy@dddddddd PS_ref_08]$ cat Accounts_UX.txt
Rent 500
[yyyyyy@dddddddd PS_ref_08]$ 

#!/usr/bin/pwsh

# Example of Set-Content -Replace
# Clear-Host
$File = ".\Accounts_UX.txt"
foreach ($str in $File) {
	$content = Get-Content -path $str
	$content | foreach {$_ -Replace "Rent 500", "Rent 525"} | Set-Content $str
}
Write-Host "After replace `n"
Get-Content $File 

After replace

Rent 525 

[yyyyyy@dddddddd PS_ref_08]$ cat Accounts_UX.txt
Rent 525
[yyyyyy@dddddddd PS_ref_08]$ 

#!/usr/bin/pwsh

# PowerShell Set-Content Parameters
Clear-Host
Get-Help Set-Content -full 

#!/usr/bin/pwsh

# PowerShell Alias Ac
Get-Alias -definition Set-Content 

Get-Alias : This command cannot find a matching alias because an alias with the definition 'Set-Content' does not exist.
At /xxxx/PSUX-Support/PS_ref_08/075_PS_Set-Content_04.ps1:4 char:1
+ Get-Alias -definition Set-Content
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Set-Content:String) [Get-Alias], ItemNotFoundException
+ FullyQualifiedErrorId : ItemNotFoundException,Microsoft.PowerShell.Commands.GetAliasCommand 

#!/usr/bin/pwsh

# PowerShell Content Cmdlet Research
Clear-Host
Get-Command -Noun Content 

CommandType     Name                                               Version    Source
-----------     ----                                               -------    ------
Cmdlet          Add-Content                                        6.1.0.0    Microsoft.PowerShell.Management
Cmdlet          Clear-Content                                      6.1.0.0    Microsoft.PowerShell.Management
Cmdlet          Get-Content                                        6.1.0.0    Microsoft.PowerShell.Management
Cmdlet          Set-Content                                        6.1.0.0    Microsoft.PowerShell.Management 

#!/usr/bin/pwsh

# http://www.computerperformance.co.uk/powershell/powershell_itemproperty.htm
# Access the PowerShell Registry with Get-ItemProperty
$RegKey ="Software\Microsoft\Windows NT\CurrentVersion\"
Cd hklm:\$RegKey 
Get-ItemProperty -path . -name CurrentBuildNumber 

Cd : Cannot find drive. A drive with the name 'hklm' does not exist.
At /xxxx/PSUX-Support/PS_ref_08/076_PS_Get-ItemProperty_01.ps1:6 char:1
+ Cd hklm:\$RegKey
+ ~~~~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (hklm:String) [Set-Location], DriveNotFoundException
+ FullyQualifiedErrorId : DriveNotFound,Microsoft.PowerShell.Commands.SetLocationCommand
 
Get-ItemProperty : The property CurrentBuildNumber does not exist or was not found.
At /xxxx/PSUX-Support/PS_ref_08/076_PS_Get-ItemProperty_01.ps1:7 char:1
+ Get-ItemProperty -path . -name CurrentBuildNumber
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo          : ReadError: (CurrentBuildNumber:String) [Get-ItemProperty], IOException
+ FullyQualifiedErrorId : GetValueError,Microsoft.PowerShell.Commands.GetItemPropertyCommand 

#!/usr/bin/pwsh

# PowerShell Set-ItemProperty script to set values in the registry
$RegKey ="HKCU:\Control Panel\Desktop"
Set-ItemProperty -path $RegKey -name PaintDesktopVersion -value 1 

Set-ItemProperty : Cannot find drive. A drive with the name 'HKCU' does not exist.
At /xxxx/PSUX-Support/PS_ref_08/076_PS_Get-ItemProperty_02.ps1:5 char:1
+ Set-ItemProperty -path $RegKey -name PaintDesktopVersion -value 1
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (HKCU:String) [Set-ItemProperty], DriveNotFoundException
+ FullyQualifiedErrorId : DriveNotFound,Microsoft.PowerShell.Commands.SetItemPropertyCommand 

#!/usr/bin/pwsh

# PowerShell Registry Access
cd HKLM:\
Dir 

cd : Cannot find drive. A drive with the name 'HKLM' does not exist.
At /xxxx/PSUX-Support/PS_ref_08/076_PS_Get-ItemProperty_03.ps1:4 char:1
+ cd HKLM:\
+ ~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (HKLM:String) [Set-Location], DriveNotFoundException
+ FullyQualifiedErrorId : DriveNotFound,Microsoft.PowerShell.Commands.SetLocationCommand
 
     Directory: /xxxx/PSUX-Support/PS_ref_08

Mode                LastWriteTime         Length Name
----                -------------         ------ ----
------        2018/05/18    14:09            136 _ww
------        2019/09/16    12:27            248 071_PS_Get-Service_01.ps1
------        2019/09/16    12:35             76 071_PS_Get-Service_02.ps1
------        2019/09/16    12:41            171 071_PS_Get-Service_03.ps1

    < 省略 >

#!/usr/bin/pwsh

# PowerShell script to search the registry
Get-ChildItem HKLM: -recurse -Include Winlogon -ErrorAction SilentlyContinue 

#!/usr/bin/pwsh

Get-Command -Noun ItemProperty 

CommandType     Name                                               Version    Source
-----------     ----                                               -------    ------
Cmdlet          Clear-ItemProperty                                 6.1.0.0    Microsoft.PowerShell.Management
Cmdlet          Copy-ItemProperty                                  6.1.0.0    Microsoft.PowerShell.Management
Cmdlet          Get-ItemProperty                                   6.1.0.0    Microsoft.PowerShell.Management
Cmdlet          Move-ItemProperty                                  6.1.0.0    Microsoft.PowerShell.Management
Cmdlet          New-ItemProperty                                   6.1.0.0    Microsoft.PowerShell.Management
Cmdlet          Remove-ItemProperty                                6.1.0.0    Microsoft.PowerShell.Management
Cmdlet          Rename-ItemProperty                                6.1.0.0    Microsoft.PowerShell.Management
Cmdlet          Set-ItemProperty                                   6.1.0.0    Microsoft.PowerShell.Management 

#!/usr/bin/pwsh

# http://www.computerperformance.co.uk/powershell/powershell_syntax.htm
# Eventlog example script to illustrate PowerShell's syntax.
# Clear-host
$i=0
$Log = Get-EventLog -List 
ForEach ($Item in $Log) {
	"{0,-30} {1,-20} {2,13}" -f `
	$Item.Log, $Item.OverflowAction, $Item.MaximumKilobytes
} 

Get-EventLog : The term 'Get-EventLog' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/077_PS_Syntax_01.ps1:7 char:8
+ $Log = Get-EventLog -List
+        ~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-EventLog:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

# Clear-host
$i=0
$Log = Get-EventLog -List 
ForEach ($Item in $Log) {
	"{0,-30} {1,-20} {2,13}" -f `
	$Item.Log, $Item.OverflowAction, $Item.MaximumKilobytes; $i++
}
"There are $i eventlogs" 

Get-EventLog : The term 'Get-EventLog' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/077_PS_Syntax_02.ps1:6 char:8
+ $Log = Get-EventLog -List
+        ~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-EventLog:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException.  

#!/usr/bin/pwsh

# Clear-host
Get-Service | Where-Object {$_.Status -eq "Running"}

<#
-eq meaning equals
-ne in the negative, not equal to...
   Note: there is no -neq operator; just use the two letters -ne.
-gt and also -ge (greater than or equal)
-lt and also -le (less than or equal)

#> 

Get-Service : The term 'Get-Service' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/077_PS_Syntax_03.ps1:5 char:1
+ Get-Service | Where-Object {$_.Status -eq "Running"}
+ ~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Service:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException.  

#!/usr/bin/pwsh

#PowerShell + concatenator
$Total = 180
"My total is " + $Total 

My total is 180 

#!/usr/bin/pwsh

# PowerShell syntax - types of bracket
# Clear-host
$disk= WmiObject Win32_LogicalDisk
"Drive Letter Size GB "
Foreach ($drive in $disk ) {"Drive = " + $drive.Name} 

WmiObject : The term 'WmiObject' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/077_PS_Syntax_05.ps1:5 char:8
+ $disk= WmiObject Win32_LogicalDisk
+        ~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (WmiObject:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

$Bill = 57
$Tax = 7
$Total = $Bill + $Tax 

"My total is $Total" 

My total is 64 

#!/usr/bin/pwsh

# http://www.computerperformance.co.uk/powershell/powershell_as.htm
# PowerShell -as operator example
# Clear-Host
$CPU = @{Label = "CPU"; Expression={($_.cpu) -as [int] }}
Get-Process | Sort-Object cpu -descending `
| Format-Table Name, $CPU, WorkingSet -auto 

Name              CPU WorkingSet
----              --- ----------
gnome-shell     18390  362213376
Xvnc             3227   65253376
pcscd            2607    1531904
xfsaild/dm-0     2226          0
udisksd          1827   10567680
gnome-settings-  1221   22695936
gnome-shell      1213  129134592
systemd           916    4239360

    < 省略 >

#!/usr/bin/pwsh

# PowerShell -As simple example
Write-Host `n "Waiting for test ..."
$Avg = 0
$Site = "www.google.com"
$PingSite = Test-Connection -count 5 $Site
$Avg = ($PingSite | Measure-Object ResponseTime -average)
$Calc = ($Avg.average) -as [int]
# Clear-host
Write-Host "Average response time to $Site is $Calc ms" 

 Waiting for test ...
 Pinging www.google.com [172.217.31.132] with 32 bytes of data:
 Reply from 172.217.31.132: bytes=0 time=17ms TTL=
 Reply from 172.217.31.132: bytes=0 time=14ms TTL=
 Reply from 172.217.31.132: bytes=0 time=14ms TTL=
 Reply from 172.217.31.132: bytes=0 time=14ms TTL=
 Reply from 172.217.31.132: bytes=0 time=14ms TTL=
 Ping complete.
 Measure-Object : Cannot process argument because the value of argument "Property" is not valid.
 Change the value of the "Property" argument and run the operation again.
 At /xxxx/PSUX-Support/PS_ref_08/078_PS_-AsTypeOperator_02.ps1:8 char:21
 + $Avg = ($PingSite | Measure-Object ResponseTime -average)
 +                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 + CategoryInfo          : InvalidArgument: (:) [Measure-Object], PSArgumentException
 + FullyQualifiedErrorId : GenericMeasurePropertyNotFound,Microsoft.PowerShell.Commands.MeasureObjectCommand
  
  Average response time to www.google.com is 0 ms 

#!/usr/bin/pwsh

# PowerShell Math Round
# Clear-Host
$Num = 500
"Square root of $Num is " + [System.Math]::Round([System.Math]::Sqrt($Num)) 

Square root of 500 is 22 

#!/usr/bin/pwsh

# PowerShell Math Round
# Clear-Host
$Num = 500
[System.Math]::Round([System.Math]::Sqrt($Num)) 

22 

#!/usr/bin/pwsh

# PowerShell Math Round
# Clear-Host
$Num = 500
$Sqrt = [System.Math]::Sqrt($Num) -as [Int]
"Square root of $Num is approx: " + $Sqrt 

Square root of 500 is 22

#!/usr/bin/pwsh

Clear-Host
Get-Help about_*_operators 

#!/usr/bin/pwsh

# http://www.computerperformance.co.uk/powershell/powershell_variables.htm
# PowerShell $ Variable Example
$Mem= WmiObject Win32_ComputerSystem
$Mbyte =1048576 # Another variable
"Memory Mbyte " + [int]($Mem.TotalPhysicalMemory/$Mbyte)

$Mem 

WmiObject : The term 'WmiObject' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/079_PS_Variables_01.ps1:5 char:7
+ $Mem= WmiObject Win32_ComputerSystem
+       ~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (WmiObject:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException.  

#!/usr/bin/pwsh

# Declaring PowerShell Integer Variable
[int]$a = 7
$a + 3 
$a

# PS>10 

10
7 

#!/usr/bin/pwsh

# Declaring PowerShell Integer Variable
[int]$a =7
$a ="Twenty"
$a

# PS> Error "Cannot Convert value.

Cannot convert value "Twenty" to type "System.Int32". Error: "Input string was not in a correct format."
At /xxxx/PSUX-Support/PS_ref_08/079_PS_Variables_03.ps1:5 char:1
+ $a ="Twenty"
+ ~~~~~~~~~~~~
+ CategoryInfo          : MetadataError: (:) [], ArgumentTransformationMetadataException
+ FullyQualifiedErrorId : RuntimeException
 
 7 

#!/usr/bin/pwsh

$b = 7
$b = "Twenty"
$b

# PS> Twenty  

Twenty 

#!/usr/bin/pwsh

# ----< Declaring Multiple Variables   >----
$DriveA, $DriveB, $DriveC, $DriveD = 250, 175, 330, 200

Write-Host "`$DriveA = $DriveA"
Write-Host "`$DriveB = $DriveB"
Write-Host "`$DriveC = $DriveC"
Write-Host "`$DriveD = $DriveD" 

$DriveA = 250
$DriveB = 175
$DriveC = 330
$DriveD = 200 

#!/usr/bin/pwsh

# PowerShell Variables Including $_. 
 $i=0 
 $Type = "Win32" 
 $WMI = Get-WmiObject -List | Where-Object {$_.name -Match $Type}
 Foreach ($CIM in $WMI) {$i++}
 Write-Host 'There are '$i' types of '$Type 

Get-WmiObject : The term 'Get-WmiObject' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/079_PS_Variables_06.ps1:6 char:9
+  $WMI = Get-WmiObject -List | Where-Object {$_.name -Match $Type}
+         ~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-WmiObject:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException
 
 There are  0 types of Win32 

#!/usr/bin/pwsh

# Example: PowerShell Set-Variable constant
Set-Variable Thermometer 32 -option constant

$Thermometer 

32 

#!/usr/bin/pwsh

# Example: PowerShell Set-Variable Global
Set-Variable AllOverPlace 99 -scope global 

$AllOverPlace 

99 

#!/usr/bin/pwsh

# Set PowerShell Global Variable
$global:runners = 8

$runners 

8 

#!/usr/bin/pwsh

# ----< PowerShell is Dot Properties >----
$alert = Get-Service NetLogon
$alert.status

# PS> Started

Write-Host "----< `$alert %gt;----"
$alert 

Get-Service : The term 'Get-Service' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/079_PS_Variables_10.ps1:4 char:10
+ $alert = Get-Service NetLogon
+          ~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Service:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException
 
 ----< $alert >---- 

#!/usr/bin/pwsh

# PowerShell Pipeline $_. example
Get-Service | Where-Object {$_.status -eq "Running" } 

Get-Service : The term 'Get-Service' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/079_PS_Variables_11.ps1:4 char:1
+ Get-Service | Where-Object {$_.status -eq "Running" }
+ ~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Service:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

# ----< Example to find all WmiObjects containing 'CIM' >----
Get-WmiObject -List | Where-Object {$_.name -Like "CIM*"} 

Get-WmiObject : The term 'Get-WmiObject' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/079_PS_Variables_12.ps1:4 char:1
+ Get-WmiObject -List | Where-Object {$_.name -Like "CIM*"}
+ ~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-WmiObject:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

# Information about the currently executing host
$Host 

Name             : ConsoleHost
Version          : 6.2.2
InstanceId       : 729b10da-5beb-46a2-9ca4-d14e3d70ea2b
UI               : System.Management.Automation.Internal.Host.InternalHostUserInterface
CurrentCulture   : ja-JP
CurrentUICulture : ja-JP
PrivateData      : Microsoft.PowerShell.ConsoleHost+ConsoleColorProxy
DebuggerEnabled  : True
IsRunspacePushed : False
Runspace         : System.Management.Automation.Runspaces.LocalRunspace 

#!/usr/bin/pwsh

# ---- Environmental Path to files. ----
# Clear-Host
$Env:PATH = $Env:Path + ";./"

$Env:PATH 

;./

#!/usr/bin/pwsh

# ---- Talking of Env variables, you can list them with gci thus: ----
Get-ChildItem Env:\ 

Name                           Value
----                           -----
_                              ./079_PS_Variables_16.ps1

    < 秘護 省略 >

#!/usr/bin/pwsh

$Files = "./" | Get-Member

$Files 

   TypeName: System.String
Name             MemberType            Definition
----             ----------            ----------
Clone            Method                System.Object Clone(), System.Object IC…
CompareTo        Method                int CompareTo(System.Object value), int…
Contains         Method                bool Contains(string value), bool Conta…
CopyTo           Method                void CopyTo(int sourceIndex, char[] des…
EndsWith         Method                bool EndsWith(string value), bool EndsW…
Equals           Method                bool Equals(System.Object obj), bool Eq…
GetEnumerator    Method                System.CharEnumerator GetEnumerator(), …
GetHashCode      Method                int GetHashCode(), int GetHashCode(Syst…
GetType          Method                type GetType()
GetTypeCode      Method                System.TypeCode GetTypeCode(), System.T…
IndexOf          Method                int IndexOf(char value), int IndexOf(ch…
IndexOfAny       Method                int IndexOfAny(char[] anyOf), int Index…
Insert           Method                string Insert(int startIndex, string va…
IsNormalized     Method                bool IsNormalized(), bool IsNormalized(…
LastIndexOf      Method                int LastIndexOf(char value), int LastIn…
LastIndexOfAny   Method                int LastIndexOfAny(char[] anyOf), int L…
Normalize        Method                string Normalize(), string Normalize(Sy…
PadLeft          Method                string PadLeft(int totalWidth), string …
PadRight         Method                string PadRight(int totalWidth), string…
Remove           Method                string Remove(int startIndex, int count…
Replace          Method                string Replace(string oldValue, string …
Split            Method                string[] Split(char separator, System.S…
StartsWith       Method                bool StartsWith(string value), bool Sta…
Substring        Method                string Substring(int startIndex), strin…
ToBoolean        Method                bool IConvertible.ToBoolean(System.IFor…
ToByte           Method                byte IConvertible.ToByte(System.IFormat…
ToChar           Method                char IConvertible.ToChar(System.IFormat…
ToCharArray      Method                char[] ToCharArray(), char[] ToCharArra…
ToDateTime       Method                datetime IConvertible.ToDateTime(System…
ToDecimal        Method                decimal IConvertible.ToDecimal(System.I…
ToDouble         Method                double IConvertible.ToDouble(System.IFo…
ToInt16          Method                short IConvertible.ToInt16(System.IForm…
ToInt32          Method                int IConvertible.ToInt32(System.IFormat…
ToInt64          Method                long IConvertible.ToInt64(System.IForma…
ToLower          Method                string ToLower(), string ToLower(cultur…
ToLowerInvariant Method                string ToLowerInvariant()
ToSByte          Method                sbyte IConvertible.ToSByte(System.IForm…
ToSingle         Method                float IConvertible.ToSingle(System.IFor…
ToString         Method                string ToString(), string ToString(Syst…
ToType           Method                System.Object IConvertible.ToType(type …
ToUInt16         Method                ushort IConvertible.ToUInt16(System.IFo…
ToUInt32         Method                uint IConvertible.ToUInt32(System.IForm…
ToUInt64         Method                ulong IConvertible.ToUInt64(System.IFor…
ToUpper          Method                string ToUpper(), string ToUpper(cultur…
ToUpperInvariant Method                string ToUpperInvariant()
Trim             Method                string Trim(), string Trim(char trimCha…
TrimEnd          Method                string TrimEnd(), string TrimEnd(char t…
TrimStart        Method                string TrimStart(), string TrimStart(ch…
Chars            ParameterizedProperty char Chars(int index) {get;}
Length           Property              int Length {get;} 

#!/usr/bin/pwsh

$Bit = 64 | Get-Member

$Bit 

   TypeName: System.Int32
Name        MemberType Definition
----        ---------- ----------
CompareTo   Method     int CompareTo(System.Object value), int CompareTo(int v…
Equals      Method     bool Equals(System.Object obj), bool Equals(int obj), b…
GetHashCode Method     int GetHashCode()
GetType     Method     type GetType()
GetTypeCode Method     System.TypeCode GetTypeCode(), System.TypeCode IConvert…
ToBoolean   Method     bool IConvertible.ToBoolean(System.IFormatProvider prov…
ToByte      Method     byte IConvertible.ToByte(System.IFormatProvider provide…
ToChar      Method     char IConvertible.ToChar(System.IFormatProvider provide…
ToDateTime  Method     datetime IConvertible.ToDateTime(System.IFormatProvider…
ToDecimal   Method     decimal IConvertible.ToDecimal(System.IFormatProvider p…
ToDouble    Method     double IConvertible.ToDouble(System.IFormatProvider pro…
ToInt16     Method     short IConvertible.ToInt16(System.IFormatProvider provi…
ToInt32     Method     int IConvertible.ToInt32(System.IFormatProvider provide…
ToInt64     Method     long IConvertible.ToInt64(System.IFormatProvider provid…
ToSByte     Method     sbyte IConvertible.ToSByte(System.IFormatProvider provi…
ToSingle    Method     float IConvertible.ToSingle(System.IFormatProvider prov…
ToString    Method     string ToString(), string ToString(string format), stri…
ToType      Method     System.Object IConvertible.ToType(type conversionType, …
ToUInt16    Method     ushort IConvertible.ToUInt16(System.IFormatProvider pro…
ToUInt32    Method     uint IConvertible.ToUInt32(System.IFormatProvider provi…
ToUInt64    Method     ulong IConvertible.ToUInt64(System.IFormatProvider prov…
TryFormat   Method     bool TryFormat(System.Span[char] destination, [ref] int… 

#!/usr/bin/pwsh

Get-Help about_Variable
Help about_Automatic_Variables
Help about_Environment_Variables
Help about_Preference_Variables 

Get-Help : Get-Help could not find about_Variable in a help file in this session.
To download updated help topics type: "Update-Help".
To get help online, search for the help topic in the TechNet library at https://go.microsoft.com/fwlink/?LinkID=107116.
At /xxxx/PSUX-Support/PS_ref_08/079_PS_Variables_19.ps1:3 char:1
+ Get-Help about_Variable
+ ~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo          : ResourceUnavailable: (:) [Get-Help], HelpNotFoundException
+ FullyQualifiedErrorId : HelpNotFound,Microsoft.PowerShell.Commands.GetHelpCommand

Get-Help : Get-Help could not find about_Automatic_Variables in a help file in this session.
To download updated help topics type: "Update-Help".
To get help online, search for the help topic in the TechNet library at https://go.microsoft.com/fwlink/?LinkID=107116.
At line:64 char:13
+     $help = Get-Help @PSBoundParameters
+             ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo          : ResourceUnavailable: (:) [Get-Help], HelpNotFoundException
+ FullyQualifiedErrorId : HelpNotFound,Microsoft.PowerShell.Commands.GetHelpCommand

Get-Help : Get-Help could not find about_Environment_Variables in a help file in this session.
To download updated help topics type: "Update-Help".
To get help online, search for the help topic in the TechNet library at https://go.microsoft.com/fwlink/?LinkID=107116.
At line:64 char:13
+     $help = Get-Help @PSBoundParameters
+             ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo          : ResourceUnavailable: (:) [Get-Help], HelpNotFoundException
+ FullyQualifiedErrorId : HelpNotFound,Microsoft.PowerShell.Commands.GetHelpCommand

Get-Help : Get-Help could not find about_Preference_Variables in a help file in this session.
To download updated help topics type: "Update-Help".
To get help online, search for the help topic in the TechNet library at https://go.microsoft.com/fwlink/?LinkID=107116.
At line:64 char:13
+     $help = Get-Help @PSBoundParameters
+             ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo          : ResourceUnavailable: (:) [Get-Help], HelpNotFoundException
+ FullyQualifiedErrorId : HelpNotFound,Microsoft.PowerShell.Commands.GetHelpCommand 

#!/usr/bin/pwsh

$Files = "./"  # Is so much easier than New-Variable
Get-ChildItem $Files 

    Directory: /xxxx/PSUX-Support/PS_ref_08

Mode                LastWriteTime         Length Name
----                -------------         ------ ----
------        2019/09/18     7:28              0 _ww
------        2019/09/16    12:27            248 071_PS_Get-Service_01.ps1
------        2019/09/16    12:35             76 071_PS_Get-Service_02.ps1
------        2019/09/16    12:41            171 071_PS_Get-Service_03.ps1
------        2019/09/16    13:26            128 071_PS_Get-Service_04.ps1
------        2019/09/16    13:30             94 071_PS_Get-Service_05.ps1
------        2016/07/07    13:15          28946 071_PS_Get-Service_05.txt
------        2019/09/16    13:35            188 071_PS_Get-Service_06.ps1

    < 省略 >

#!/usr/bin/pwsh

# ---- Declaring Variables with New-Variable ----
$Files = "/usr"
Remove-Variable Files
New-Variable files -value "./" 
Get-ChildItem $Files 

    Directory: /xxxx/PSUX-Support/PS_ref_08

Mode                LastWriteTime         Length Name
----                -------------         ------ ----
------        2019/09/18     7:28              0 _ww
------        2019/09/16    12:27            248 071_PS_Get-Service_01.ps1
------        2019/09/16    12:35             76 071_PS_Get-Service_02.ps1
------        2019/09/16    12:41            171 071_PS_Get-Service_03.ps1
------        2019/09/16    13:26            128 071_PS_Get-Service_04.ps1
------        2019/09/16    13:30             94 071_PS_Get-Service_05.ps1
------        2016/07/07    13:15          28946 071_PS_Get-Service_05.txt
------        2019/09/16    13:35            188 071_PS_Get-Service_06.ps1

    < 省略 >

#!/usr/bin/pwsh

# http://www.computerperformance.co.uk/powershell/powershell_dollar_variable.htm
# PowerShell $_ Variable Example
Get-Service | Where-Object {$_.name -Match "win"} 

Get-Service : The term 'Get-Service' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/080_PS_＄_Variable_01.ps1:5 char:1
+ Get-Service | Where-Object {$_.name -Match "win"}
+ ~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Service:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

# PowerShell $_ Variable Example
Get-Service | Where {$_.DisplayName -Match "win"} 

Get-Service : The term 'Get-Service' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/080_PS_＄_Variable_02.ps1:4 char:1
+ Get-Service | Where {$_.DisplayName -Match "win"}
+ ~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-Service:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

# PowerShell script to find Network WMI Objects
Get-WmiObject -List | Where-Object {$_.name -Match 'Network'} 

Get-WmiObject : The term 'Get-WmiObject' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At /xxxx/PSUX-Support/PS_ref_08/080_PS_＄_Variable_03.ps1:4 char:1
+ Get-WmiObject -List | Where-Object {$_.name -Match 'Network'}
+ ~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Get-WmiObject:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException 

#!/usr/bin/pwsh

#PowerShell Script to List Dll files
$Path = "./" 
Get-ChildItem $Path | Where {$_.extension -eq '.ps1'} 

    Directory: /home2/data_rehome10/PSUX-Support/PS_ref_08

Mode                LastWriteTime         Length Name
----                -------------         ------ ----
------        2019/09/16    12:27            248 071_PS_Get-Service_01.ps1
------        2019/09/16    12:35             76 071_PS_Get-Service_02.ps1
------        2019/09/16    12:41            171 071_PS_Get-Service_03.ps1
------        2019/09/16    13:26            128 071_PS_Get-Service_04.ps1
------        2019/09/16    13:30             94 071_PS_Get-Service_05.ps1
------        2019/09/16    13:35            188 071_PS_Get-Service_06.ps1
------        2019/09/16    13:39            364 071_PS_Get-Service_07.ps1
------        2019/09/16    13:46            160 071_PS_Get-Service_08.ps1
------        2019/09/16    13:52             97 071_PS_Get-Service_09.ps1
------        2019/09/16    14:00            318 072_PS_Get-WmiObject_01.ps1
------        2019/09/16    14:06            252 072_PS_Get-WmiObject_02.ps1

    < 省略 >

#!/usr/bin/pwsh

Clear-Host
Get-Help Where-Object -full 

#!/usr/bin/pwsh

# Clear-Host
$file = gci "./*.ps1"
$file
ForEach ($str in $file) {
	$cont = Get-Content -path $str
	$cont
} 

    < 省略 >