Linux switch commands

Synchronizing data to the hard drive: Sync

Customary shutdown command: shutdown

Shutdown-h now

Shut down immediately, now equals time of 0

Shutdown-h ' I wil shutdown after ten mins '

Tell everyone that the machine will be turned off in 10 minutes and displayed in front of the login screen;

Shutdown-r now

System restarts immediately

Shutdown-r ' The system would reboot after mins '

Shutdown-h 20:25

System in today's 20:25 minutes shutdown, if the command is not executed at 21:25, the genius shut down the machine

Shutdown-k now ' This system would reboot '

Only the parameters of the warning message are issued, the system does not shut down;

Restart, shutdown

Reboot

Halt

Poweroff

System Run Level

Run Level 0: shutdown

Run Level 3: pure command line mode

Run Level 5: Includes graphical interface mode

Run Level 6: Restart

Linux switch commands