shutdown command
LINUX-Frequently used commands
shutdown command Quit and reboot the system. |
Syntax |
shutdown [Option] [Time] [Message] |
The shutdown command is used to terminate and reboot the system.. When the shutdown command is executed, a message is sent to the user that the system is terminating. By specifying a time as an argument, the system will exit with a specified amount of time to spare. Can only be run by a super user (root). |
Frequently used options |
-h Shutting down and then stopping the system -c Aborting the shutdown process -r Reboot the system after shutting down -f The option "-f" is used in conjunction with "-r" for fast restarts. |
Example: Shutting down the system. |
$ su - ← Become a super user Password: ← Enter root password # shutdown -h now ← Shutting down the system |
Example: Reboot the system. |
$ su - ← Become a super user Password: ← Enter root password # shutdown -r now ← Reboot the system . |
Example: Shut down the system after 10 minutes. |
$ su - ← Become a super user Password: ← Enter root password # shutdown -h 10 ← Shut down the system after 10 minutes |
Example: Fast system reboot. |
$ su - ← Become a super user Password: ← Enter root password # shutdown -rf now ← Fast reboot |