PowerShell

PowerShell Reference is an application for basic and quick queries that can help IT professionals.
Contains these references:

ForEach-Object
ForEach
For
Format-Custom
Format-List
Format-Table
Format-Wide
Where-Object
Wait-Event
Write-EventLog
Write-Host
Wait-Job
Wait-Process
Where-Object
Where
While
Write-Debug
Write-Error
Write-Host
Write-Output
Write-Progress
Write-Verbose
Write-Warning
Where-Object
Get-Acl
Get-Alias
Get-AuthenticodeSignature
Get-ChildItem
Get-Command
Get-Content
Get-ComputerRestorePoint
Get-Counter
Get-Credential
Get-Culture
Get-Date
Get-DscConfiguration
Get-DscLocalConfigurationManager
Get-DscResource
Get-Event
Get-Eventlog
Get-WinEvent
Get-EventSubscriber
Get-ExecutionPolicy
Get-FormatData
Get-Item
Get-ChildItem
Get-Help
Get-History
Get-Host
Get-HotFix
Get-Item
Get-ItemProperty
Get-Job
Get-Location
Get-Member
Get-Module
Group-Object
Get-Pfxcertificate
Get-Process
Get-PSBreakpoint
Get-PSDrive
Get-PSProvider
Get-PSSession
Get-PSSessionConfiguration
Get-PsSnapin
Get-Random
Get-Service
Get-Tracesource
Get-Transaction
Get-Uiculture
Get-Unique
Get-Variable
Get-WebApplicationMonitoringStatus
Get-WindowsFeature
Get-WmiObject
Get-WSManCredSSP
Get-WSManInstance
Set-Acl
Set-Alias
Set-AuthenticodeSignature
Set-Location
Stop-Computer
Set-Content
Set-Date
Start-DscConfiguration
Show-EventLog
Set-ExecutionPolicy
Set-Item
Set-ItemProperty
Start-Job
Stop-Job
Stop-Process
Set-Location
Send-MailMessage
Select-Object
Sort-Object
Split-Path
Start-Process
Stop-Process
Set-PSBreakpoint
Set-PSdebug
Set-PSSessionConfiguration
Scheduler cmdlets
Select-Object
Select-XML
Send-MailMessage
Set-Service
Start-Service
Stop-Service
Suspend-Service
Sort-Object
Set-StrictMode
Start-Sleep
Switch
Select-String
Set-Tracesource
Start-Transaction
Start-Transcript
Stop-Transcript
Set-Variable
Set-WmiInstance
Set-WSManInstance
Set-WSManQuickConfig
Active Directory
Add-Computer
Add-Content
Add-History
Add-Member
Add-PsSnapIn
Add-Type
Add-WindowsFeature
Import-Alias
Invoke-Command
Import-Counter
Import-GPO
Invoke-History
Import-Clixml
Import-Csv
Invoke-Command
Invoke-Expression
Invoke-Item
Import-Module
Import-PSSession
Invoke-WmiMethod
Invoke-WSManAction
New-Alias
New-DSCCheckSum
New-Event
New-Eventlog
New-Item
New-ItemProperty
New-Module
New-Object
New-PSDrive
New-PSSession
New-PSSessionOption
New-Service
New-Timespan
New-Variable
New-WebServiceProxy
New-WSManInstance
New-WSManSessionOption
Compress-Archive
Catch
Clear-Host
Clear-Item
Checkpoint-Computer
Clear-Content
Continue
ConvertFrom-CSV
ConvertTo-CSV
ConvertTo-Html
ConvertTo-Xml
ConvertFrom-SecureString
ConvertTo-SecureString
Copy-Item
Compare-Object
Clear-EventLog
Clear-History
Clear-Host
Clear-ItemProperty
Copy-ItemProperty
Compare-Object
Convert-Path
ConvertFrom-StringData
Complete-Transaction
Clear-Variable
Checkpoint-WebApplicationMonitoring
Connect-WSMan
Expand-Archive
Enable-ComputerRestore
Export-Counter
End
Export-Alias
Export-Clixml
Export-Console
Export-Csv
Exit-PSSession
Export-FormatData
Export-ModuleMember
Enable-PSBreakpoint
Enable-PSRemoting
Enter-PSSession
Exit-PSSession
Export-PSSession
Enable-PSSessionConfiguration
Enable-WSManCredSSP
Backup-GPO
Begin
BITS
Break
Backup-GPO
Measure-Command
Move-ItemProperty
Move-Item
Measure-Object
Trace-Command
Test-ComputerSecureChannel
Test-Connection
Test-Path
Tee-Object
Trace-Command
Trap
Try ... Catch
Test-WSMan
Remove-Computer
Restart-Computer
Restore-Computer
Reset-ComputerMachinePassword
Remove-Item
Remove-Event
Remove-EventLog
Register-EngineEvent
Register-ObjectEvent
Register-WmiEvent
Restore-GPO
Read-Host
Remove-Item
Remove-ItemProperty
Rename-ItemProperty
Receive-Job
Remove-Job
Remove-Module
Resolve-Path
Remove-PSBreakpoint
Remove-PSDrive
Remove-PSSession
Register-PSSessionConfiguration
Remove-PSSnapin
Read-Host
Remove-Item
Rename-Item
Rename-ItemProperty
Return
Run/Call
...
And much more!

LICENCE: http://www.home.unix-ag.org/simon/penguin/README