Powershell 3.0 Ise Cheat Sheet (Page 3 of 4) in pdf

Windows PowerShell 3.0 Language Quick Reference

Created by

$Host

Reference to the application hosting the

$OFS

Output Field Separator. Specifies

Get-Command -Noun Variable # the Variable Cmdlets

POWERSHELL language

the character that separates the

Get-ChildItem variable: # listing all variables using the

$Input

Enumerator of objects piped to a script

elements of an array when the

variable drive

$LastExitCode

Exit code of last program or script

array is converted to a string. The

$Matches

Exit code of last program or script

default value is: Space.

# strongly-typed variable (can contain only integers)

$MyInvocation

An object with information about the

$OutputEncoding

Determines the character

[int]$number=8

current command

encoding method that Windows

$PSHome

The installation location of Windows

PowerShell uses when it sends

# attributes can be used on variables

PowerShell

text to other applications

[ValidateRange(1,10)][int]$number = 1

$profile

The standard profile (may not be

$PSDefaultParameterValues Specifies default values for the

$number = 11 #returns an error

present)

parameters of cmdlets and

$Switch

Enumerator in a switch statement

advanced functions

# flip variables

$True

Boolean value for TRUE

$PSEmailServer

Specifies the default e-mail server

$a=1;$b=2

$False

Boolean value for FALSE

that is used to send e-mail

$a,$b = $b,$a

$PSCulture

Current culture

messages

$PSUICulture

Current UI culture

$PSModuleAutoLoadingPreference Enables and disables

# multi assignment

$PsVersionTable Details about the version of Windows

automatic importing of modules

$a,$b,$c = 0

PowerShell

in the session. "All" is the default.

$a,$b,$c = 'a','b','c'

$Pwd

The full path of the current directory

$PSSessionApplicationName Specifies the default application

$a,$b,$c = 'a b c'.split()

name for a remote command that

uses WS-Management technology

# create read only variable (can be overwritten with -

Windows PowerShell Preference Variables

$PSSessionConfigurationName Specifies the default session

Force)

$ConfirmPreference

Determines whether Windows

Set-Variable -Name ReadOnlyVar -Value 3 -Option

configuration that is used for

PowerShell automatically

PSSessions created in the current

ReadOnly

prompts you for confirmation

session

before running a cmdlet or

# create Constant variable (cannot be overwritten)

$PSSessionOption

Establishes the default values for

function

advanced user options in a

Set-Variable -Name Pi -Value 3.14 -Option Constant

$DebugPreference

Determines how Windows

remote session

Windows PowerShell Automatic Variables

PowerShell responds to

$VerbosePreference

Determines how Windows

(not exhaustive)

debugging

PowerShell responds to verbose

Last token of the previous

$ErrorActionPreference

Determines how Windows

messages generated by a script,

command line

PowerShell responds to a non-

cmdlet or provider

Boolean status of last command

terminating error

$WarningPreference

Determines how Windows

First token of the previous

$ErrorView

Determines the display format

PowerShell responds to warning

command line

of error messages in Windows

messages generated by a script,

$_, $PSItem

Current pipeline object

PowerShell

cmdlet or provider

$Args

Arguments to a script or function

$FormatEnumerationLimitDetermines how many

$WhatIfPreference

Determines whether WhatIf is

$Error

Array of errors from previous

enumerated items are included

automatically enabled for every

commands

in a display

command that supports it

$ForEach

Reference to the enumerator in a

$MaximumHistoryCount Determines how many

foreach loop

commands are saved in the

$Home

The user’s home directory

command history for the

current session

Powershell 3.0 Ise Cheat Sheet Page 3

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