PowerShell

System Commands

Access system information with PowerShell. Learn WMI/CIM queries, registry access, and system configuration.

12 commands

Pro Tips

Use 'Get-CimInstance' instead of 'Get-WmiObject' for better performance and cross-platform support.

Commands

Get system info

$ Get-ComputerInfo

Display detailed system information.

Get OS version

$ [Environment]::OSVersion

Display OS version.

Check execution policy

$ Get-ExecutionPolicy

Show current execution policy.

Set execution policy

$ Set-ExecutionPolicy RemoteSigned -Scope CurrentUser

Set script execution policy.

Get services

$ Get-Service

List all Windows services.

Start service

$ Start-Service -Name ServiceName

Start a Windows service.

Stop service

$ Stop-Service -Name ServiceName

Stop a Windows service.

Restart service

$ Restart-Service -Name ServiceName

Restart a Windows service.

Get environment variable

$ $env:PATH

Get environment variable value.

Set environment variable

$ $env:MY_VAR = "value"

Set environment variable.

Get event logs

$ Get-EventLog -LogName System -Newest 10

View recent system events.

Get disk space

$ Get-PSDrive -PSProvider FileSystem

Show disk space usage.