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Useful PowerShell Commands

System Information

Get-ComputerInfoFull system hardware + OS details

Get-HostPowerShell version + environment

Get-WmiObject Win32_BIOSBIOS info + serial number

Get-WmiObject Win32_OperatingSystemOS status, uptime, version

Get-ProcessList running processes

Networking

Get-NetIPAddressShow IP addresses

Test-Connection google.comPing alternative

Resolve-DnsName google.comDNS lookup

Get-NetAdapterNetwork adapter list

Get-NetTCPConnectionActive connections (like netstat)

Reset-NetAdapterAdvancedPropertyReset NIC settings

File & Directory Commands

Get-ChildItemList files/folders (ls)

Set-LocationChange directory (cd)

Copy-ItemCopy files/folders

Move-ItemMove files/folders

Remove-Item -Recurse -ForceDelete files/folders (rm -rf)

Get-Content file.txtRead text file

Set-Content file.txtWrite text to file

New-Item -ItemType DirectoryCreate folder

Services & Processes

Get-ServiceList all services

Restart-Service servicenameRestart service

Stop-Service servicenameStop service

Start-Service servicenameStart service

Get-ProcessList processes

Stop-Process -Name notepad -ForceKill a process

System Maintenance

sfc /scannowRepair system files

DISM /Online /Cleanup-Image /RestoreHealthRepair Windows image

Get-EventLog -LogName System -Newest 50Show last 50 system events

Get-WindowsUpdateLogCreate Windows Update log

Repair-WindowsImage -Online -RestoreHealthPowerShell repair command

Winget (Software Management)

winget listList installed apps

winget upgradeShow available updates

winget upgrade --allUpdate everything

winget install appnameInstall a package

winget uninstall appnameUninstall a package

Security & Permissions

Get-LocalUserList local users

Get-LocalGroupList local groups

Set-LocalUser -Name User -PasswordSet user password

Add-LocalGroupMember -Group Administrators -Member UserAdd user to Admin group

Get-ExecutionPolicyShow script execution policy

Set-ExecutionPolicy RemoteSignedEnable script execution

Quick Utilities

Start-Process notepad.exeOpen Notepad

Start-Process calc.exeOpen Calculator

Restart-ComputerRestart computer

Stop-ComputerShutdown computer