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`reboot` is a command line tool that can be used to restart a computer or server. It will close all currently running applications and processes and then restart the operating system.


  • reboot: Restart computer.
  • reboot -h now: Shutdown computer immediately.
  • reboot -h +5: Shutdown computer in 5 minutes.
  • reboot --reboot: Restart computer.
  • reboot --force: Force restart computer, ignore all running programs.
  • reboot --no-wtmp: Restart computer, but don't log login and logout information.