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🧰 The Ultimate PowerShell Cheat Sheet

Looking for a comprehensive PowerShell cheat sheet? You’re in the right place. After 10+ years working with PowerShell, I’ve condensed the most useful commands, operators, and pro tips into this handy reference. Perfect for both beginners and seasoned pros.

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🧠 In This Article

• Cheat Sheet Download
• Good to Know Essentials
• Operators
• Variables & Objects
• Flow Control
• Collections & Hashtables
• Input/Output
• Running Scripts
• Pipeline & Formatting

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✅ Good to Know Essentials

💡 Press Ctrl + Space after a cmdlet to see available parameters.

Set-PSReadlineKeyHandler -Key Tab -Function Complete
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💬 View history:

Get-History
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🔧 PowerShell Operators

Operator	Description
$a += 5, $a -= 5	Add / Subtract and assign
$a *= 2, $a /= 2	Multiply / Divide
2 -eq $a, 2 -ne $a	Equal / Not Equal
$a -gt 2, $a -lt 2	Greater / Less than
2 -ge $a, 2 -le $a	Greater or Equal / Less or Equal

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📦 Variables & Objects

Command	Description
$a = "Hello"	Assign variable
$a, $b = "Hello","Bye"	Multiple assignments
$range = 1..10	Create a range
$_	Current object in pipeline
$null	Null value
[int]$var	Typed variable
$global:var	Global scope variable

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🔁 Flow Control

Syntax	Description
if (...) { } else { }	Conditional if-else
($x -gt 10) ? "High" : "Low"	Ternary (PowerShell 7)
switch ($var) { }	Switch statement
for (...) { }	For loop
foreach (...) { }	For each item
while (...) { }	While loop
$result = $value ?? "Default"	Null coalescing
$value ??= "Default"	Assign if null

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🗃 Collections & Hashtables

Syntax	Description
$array = @('a', 'b')	Create array
$array[0]	Access element
$array.Length	Array length
$hash = @{ key = 'value' }	Create hashtable
$hash.key	Access by key
$hash.key = 'new'	Update value
$obj = [PSCustomObject]@{}	Custom object

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📥 Input & Output

Command	Description
Read-Host	User input prompt
Get-Content	Read file contents
Import-Csv	Read from CSV
Export-Csv	Write to CSV
Write-Host	Print to console
Out-GridView	GUI-style output viewer

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▶️ Running Scripts & Processes

Command	Description
Start-Process notepad	Launch program
Start-ThreadJob { }	Run in background thread
. .\script.ps1	Run in current scope
& .\script.ps1	Run in a new scope

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🔗 Pipeline & Formatting

Syntax	Description
`Get-Process	Sort-Object Name`	Sort results
`Get-ChildItem	Where-Object { $_.Length -gt 1KB }`	Filter files by size
Select-Object -Property Name	Pick properties
ForEach-Object { $_.Name }	Loop through pipeline items
Format-List, Format-Table	Display output formats

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🧾 Final Thoughts

This cheat sheet is your quick-access PowerShell reference. It includes key commands, operators, and PowerShell 7+ features. Bookmark it, share it, or download the printable version above!

Need deeper guides? Use your blog's search feature to explore full walkthroughs of these commands.

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