PowerShell Language Reference

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    cmdlets

  • Add-Content - Appends content to a specified item or file. 
  • Add-History - Appends entries to the session history. 
  • Add-Member - Adds a user-defined custom member to an instance of a Windows Pow... 
  • Add-PSSnapin - Adds one or more Windows PowerShell snap-ins to the current conso... 
  • Clear-Content - Deletes the contents of a item, such as deleting the text from a ... 
  • Clear-ItemProperty - Deletes the value of a property but it does not delete the proper... 
  • Clear-Variable - Deletes the value of a variable. 
  • Compare-Object - Compares two sets of objects. 
  • Convert-Path - Converts a path from a Windows PowerShell path to a Windows Power... 
  • ConvertTo-Html - Creates an HTML page that represents an object or a set of object... 
  • ConvertTo-SecureString - Converts encrypted standard strings to secure strings. It can als... 
  • Copy-Item - Copies an item from one location to another within a namespace. 
  • Copy-ItemProperty - Copies a property and value from a specified location to another ... 
  • Export-Alias - Exports information about currently-defined aliases to a file. 
  • Export-Clixml - Creates an XML-based representation of an object or objects and s... 
  • Export-Console - Exports the configuration of the current console to a file so tha... 
  • Export-Csv - Creates a comma-separated values (CSV) file that represents the i... 
  • ForEach-Object - Performs an operation against each of a set of input objects. 
  • Format-Custom - Uses a customized view to format the output. 
  • Format-List - Formats the output as a list of properties in which each property... 
  • Format-Table - Formats the output as a table. 
  • Format-Wide - Formats objects as a wide table that displays only one property o... 
  • Get-Acl - Gets the security descriptor for a resource, such as a file or re... 
  • Get-Alias - Gets the aliases for the current session. 
  • Get-AuthenticodeSignature - Gets information about the Authenticode signature in a file. 
  • Get-ChildItem - Gets the items and child items in one or more specified locations... 
  • Get-Command - Gets basic information about cmdlets and about other elements of ... 
  • Get-Content - Gets the content of the item at the specified location. 
  • Get-Credential - Gets a credential object based on a user name and password. 
  • Get-Culture - Gets information about the regional settings on a computer. 
  • Get-Date - Gets the current date and time. 
  • Get-EventLog - Gets information about local event logs or the entries stored in ... 
  • Get-ExecutionPolicy - Gets the current execution policy for the shell. 
  • Get-Help - Displays information about Windows PowerShell cmdlets and concept... 
  • Get-History - Gets a list of the commands entered during the current session. 
  • Get-Host - Gets a reference to the current console host object. Displays Win... 
  • Get-Item - Gets the item at the specified location. 
  • Get-ItemProperty - Retrieves the properties of a specified item. 
  • Get-Location - Gets information about the current working location. 
  • Get-Member - Gets information about objects or collections of objects. 
  • Get-PfxCertificate - Gets information about .pfx certificate files on the computer. 
  • Get-Process - Gets the processes that are running on the local computer. 
  • Get-PSDrive - Gets information about Windows PowerShell drives. 
  • Get-PSProvider - Gets information about the specified Windows PowerShell provider. 
  • Get-PSSnapin - Gets the Windows PowerShell snap-ins on the computer. 
  • Get-Service - Gets the services on the local computer. 
  • Get-TraceSource - Gets the Windows PowerShell components that are instrumented for ... 
  • Get-UICulture - gets information about the current user interface culture for Win... 
  • Get-Unique - Returns the unique items from a sorted list. 
  • Get-Variable - Gets the variables in the current console. 
  • Get-WmiObject - Gets instances of WMI classes or information about available clas... 
  • Group-Object - Groups objects that contain the same value for specified properti... 
  • Import-Alias - Imports an alias list from a file. 
  • Import-Clixml - Imports a CLIXML file and creates corresponding objects within Wi... 
  • Import-Csv - Imports comma-separated value (CSV) files in the format produced ... 
  • Invoke-Expression - Runs a Windows PowerShell expression that is provided in the form... 
  • Invoke-History - Runs commands from the session history. 
  • Invoke-Item - Invokes the provider-specific default action on the specified ite... 
  • Join-Path - Combines a path and child-path into a single path. The provider s... 
  • Measure-Command - Measures the time it takes to run script blocks and cmdlets. 
  • Measure-Object - Measures characteristics of objects and their properties. 
  • Move-Item - Moves an item from one location to another. 
  • Move-ItemProperty - Moves a property from one location to another. 
  • New-Alias - Creates a new alias. 
  • New-Item - Creates a new item in a namespace. 
  • New-ItemProperty - Sets a new property of an item at a location. 
  • New-Object - Creates an instance of a .Net or COM object. 
  • New-PSDrive - Installs a new WIndows PowerShell drive. 
  • New-Service - Creates a new entry for a Windows Service in the registry and the... 
  • New-TimeSpan - Creates a TimeSpan object. 
  • New-Variable - Creates a new variable. 
  • Out-Default - Send the output to the default formatter and the default output c... 
  • Out-File - Sends output to a file. 
  • Out-Host - Sends output to the command line. 
  • Out-Null - Deletes output instead of sending it to the console. 
  • Out-Printer - Sends output to a printer. 
  • Out-String - Sends objects to the host as a series of strings. 
  • Pop-Location - Changes the current location to the location most recently pushed... 
  • Push-Location - Pushes the current location onto the stack. 
  • Read-Host - Reads a line of input from the console. 
  • Remove-Item - Deletes the specified items. 
  • Remove-ItemProperty - Deletes the property and its value from an item. 
  • Remove-PSDrive - Removes a Windows PowerShell drive from its location. 
  • Remove-PSSnapin - Removes Windows PowerShell snap-ins from the current console. 
  • Remove-Variable - Deletes a variable and its value. 
  • Rename-Item - Renames an item in a Windows PowerShell provider namespace. 
  • Rename-ItemProperty - Renames a property of an item. 
  • Resolve-Path - Resolves the wildcard characters in a path and displays the path ... 
  • Restart-Service - Stops and then starts one or more services. 
  • Resume-Service - Resumes one or more suspended (paused) services. 
  • Select-Object - Selects specified properties of an object or set of objects. It c... 
  • Select-String - Identifies patterns in strings. 
  • Set-Acl - Changes the security descriptor of a specified resource, such as ... 
  • Set-Alias - Creates or changes an alias (alternate name) for a cmdlet or othe... 
  • Set-AuthenticodeSignature - Uses an authenticode signature to sign a Windows PowerShell scrip... 
  • Set-Content - Writes or replaces the content in an item with new content. 
  • Set-Date - Changes the system time on the computer to a time that you specif... 
  • Set-ExecutionPolicy - Changes the user preference for the execution policy of the shell... 
  • Set-Item - Changes the value of an item to the value specified in the comman... 
  • Set-ItemProperty - Sets the value of a property at the specified location. 
  • Set-Location - Sets the current working location to a specified location. 
  • Set-PSDebug - Turns script debugging features on and off, sets the trace level ... 
  • Set-Service - Changes the display name, description, or starting mode of a serv... 
  • Set-TraceSource - Configures, starts, and stops a trace of Windows PowerShell compo... 
  • Set-Variable - Sets the value of a variable. Creates the variable if one with th... 
  • Sort-Object - Sorts objects by property values. 
  • Split-Path - Returns the specified part of a path. 
  • Start-Service - Starts one or more stopped services. 
  • Start-Sleep - Suspend shell, script, or runspace activity for the specified per... 
  • Start-Transcript - Creates a record of all or part of a Windows PowerShell session i... 
  • Stop-Process - Stops one or more running processes. 
  • Stop-Service - Stops one or more running services. 
  • Stop-Transcript - Stops a transcript. 
  • Suspend-Service - Suspends (pauses) one or more running services. 
  • Tee-Object - Pipes object input to a file or variable, then passes the input a... 
  • Test-Path - Determines whether all elements of a path exist. 
  • Update-FormatData - Updates and appends format data files. 
  • Update-TypeData - Updates the current extended type configuration by reloading the ... 
  • Where-Object - Creates a filter that controls which objects will be passed along... 
  • Write-Debug - Writes a debug message to the host display. 
  • Write-Error - Writes an object to the error pipeline 
  • Write-Host - Displays objects by using the host user interface 
  • Write-Output - Writes objects to the success pipeline. 
  • Write-Progress - Displays a progress bar within a Windows PowerShell command windo... 
  • Write-Verbose - Writes a string to the verbose display of the host. 
  • Write-Warning - Writes a warning message. 

    • Statements

  • Else - Executes a group of statements if a condition is not true 
  • ElseIf - Specifies additional conditional actions in an "if" statement 
  • If - Executes a group of statements based on a condition 

    • Variables

  • $$ - Contains the last token of last line input into the shell. 
  • $? - Contains that success/fail status of the last operation. 
  • $^ - Contains the first token of the last line input into the shell. 
  • $Args - Used in creating functions that require parameters 
  • $DebugPreference - The action to take when data is written via write-debug in a scri... 
  • $Error - The error object is saved here if an error occurs 
  • $ErrorActionPreference - The action to take when data is written via write-error in a scri... 
  • $false - Boolean FALSE  
  • $foreach - Refers to the enumerator in a foreach loop.  
  • $HistorySize - Number of entries saved in the command history. 
  • $HOME - The user's home directory 
  • $Host - Information about the currently executing host 
  • $Input - Input piped to a function or code block 
  • $LastExitCode - The exit code of the last native application to run 
  • $Match - A hash table consisting of items found by the –match operator. 
  • $MshHome - The directory where msh is installed 
  • $MyInvocation - Information about the currently script or command-line 
  • $null - A null object 
  • $OFS - Output Field Separator, used when converting an array to a string... 
  • $PSCommandPath - The paths where .cmdlet and .cmdletprovider files may be found. 
  • $ShellID - The identifier for the shell.  
  • $StackTrace - Contains detailed stack trace information about the last error 
  • $true - Boolean TRUE 

 

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