#system

End an unresponsive application from Command Prompt using taskkill by image name or PID.

Refresh the package index from all configured repositories, then install newer versions of every upgradable package.

Use the System File Checker to verify every protected Windows system file against known-good copies and automatically replace the damaged ones.

Rename your Mac the reliable way using scutil --set so AirDrop, sharing, and Find My show the name you want.

Check if a program is running and get its process ID using tasklist with findstr or the /FI filter.

Remove installed programs by ID or name with winget uninstall — scriptable, exact and faster than hunting through Settings.

Use Windows Package Manager to install, search, and upgrade thousands of applications from the community repository in one command.

Find the process listening on a TCP port with Get-NetTCPConnection, then stop it with Stop-Process.

Abort an accidental shutdown or restart countdown before the timer runs out.

Connect to a shared network printer with one Add-Printer command instead of clicking through the Add Printer wizard.

Launch an interactive process viewer with color meters for CPU cores, memory, and swap, plus search, sort, and kill controls.

Diagnose NTFS file system errors and bad sectors on any volume — including the system drive while Windows is running — before committing to a repair.