Powershell_CheatSheet.md

Powershell:

cmdlets:

This command allows you to get the IP address info of the network adapters intalled on the computer

    Get-NetIPAddress

This command allows you to get support with PowerShell

    Get-Help 

This command offers you a list of available PSDrives, such as c, env, hklm, hkcu, alias, etc.

    Get-PSdrive

In any registry, children are the subkeys of the current key. To get the required details, you can use the following command.

    Get-ChildItem

Run this command to list all the children recursively of the current PSdrive, folder, or registry key.

    Get-ChildItem -recurse

Use this command To include the hidden folders (directories).

    Get-ChildItem -rec -force

Run any of these commands to get the list file and directory names in the current folder.

    (Get-ChildItem).name or Get-ChildItem -name        

Use this command to get the number of entries in the collection of objects returned by the Get-Children.

    (Get-ChildItem).count 

PSdrives:

The prompt character will change to the “ENV:>”. Set-Location env by running the following command:Set-Location env-

    Switching to env-

This command will get you all the environment variables.

    Env:\> Get-Childitem        

Use this command to get the environment variables of “userprofile.”

    Env:\> Get-Childitem userprofile

Run the following command to change the prompt character to “Alias.”

    Env:\> Set-Location alias:

Run this command to get all the children of all aliases.

    Alias:\> Get-Childitem

Use this command to get the “C:/>” prompt again, back to the default drive.

    Alias:\> Set-Location C:\

Run this command to find what alias “ls” stands for.

    C:\Users\user_name>$alias:ls

Pipelines:

The pipeline consists of the following three stages.

    Get-ChildItem *.txt | Where-Object length -lt 1000 | Sort-Object length

Easily sets the value of the ‘lastwritetime.year’ property to the present date and time without affecting the file’s content.

    (Get-Item /Users/praashibansal/Desktop).lastwritetime.year

Provides an empty result

    (Get-ChildItem data.txt.rtf -name).name # -> null    

Changes the old file names and file extensions to the new ones

    "data.txt.rtf" | Rename-Item -NewName "data_new.txt.rtf"

A trivial renaming command that invokes an automatic variable

    Get-ChildItem data.txt | Rename-Item -new {$_.name}

If the piped object $_ doesn't have the member property (name), you will receive an error, as parameter $_.name is null

    Get-ChildItem data.txt.rtf -name | Rename-Item -new {$_.name} 

Displays the list of the names of all the files that are present in the current folder sorted in alphabetical order.

    Get-ChildItem | Select-Object basename | Sort-Object *

Moves all the files to the folder subdirectory

    Move-Item *.txt subdirectory

Gives the error message that Move-Item lacks input

    Get-ChildItem *.txt | Move-Item ..\

Alias:

Appends value to a file

    Add-Content

Finds file content in an array

    Get-Content

Changes folder, key, or PS drive

    Set-Location

Clears console

    Clear-Host

Delete files

    Remove-Item

Lists Folder, Key, or PSDrive Children

    Get-ChildItem -Path .\

Sends the array to the console, pipeline, or redirect it to the file

    Write-Output

Traverses each object in a pipeline

    Foreach-Object

Formats the table with selected properties for each object in each column

    Format-Table 

Formats the process properties by name

    Format-List

Provides Cmdlet Alias

    Get-Alias

Provides you with commands from the current session only

    Get-Command 

Retrieves all the object members

    Get-Member

Provides the specified item’s properties

    Get-ItemProperty .\data.txt | Format-List

Gives the current value for a specified property while using the name parameter

    Get-ItemPropertyValue -Path '.\data.txt' -Name LastWriteTime 

Finds session variable names and sessions

    Get-Variable m*

Creates a new file, directory, symbolic link, registry key, or registry entry

    New-Item -Path .\ -Name "testfile1.txt" -ItemType "file" -Value "This is a text string."

Gives the entire list of all the running processes

    Get-Process 

Provides the current directory’s or registry key’s location

    Get-Location

Renames the old item name with the new name

    Rename-Item -Path “old_name” -NewName “new_name”

Removes the specified directory, files, or registry keys

    Remove-Item .\testfile1.txt 

Removes the specified variable

    Remove-Variable 

Suspends an activity for a specified period of time

    Start-Sleep