"Linux" Common operating instructions

1. Help Call

Internal command: Help command external command: command--help

2. Command Manual Chapters

2.1 User Commands

2.2 System Calls

2.3 Library Calls

2.4 Special Documents

2.5 file Format (configuration file syntax)

2.6 Games

2.7 Miscellaneous

2.8 Administrative Commands

3.echo and printf built-in commands

Echo-n "This year are \nnext year is 2018"//Turn on newline printf "This year is 2017\ntoday is 16.\n" Enable line wrapping

4. Shutdown and restart commands

SU Root! Input honey code, can run, Shutdown command restart command:

4.1 Reboot

4.2 Shutdown-r now reboot (root user)

4.3 shutdown-r 10 over 10 minutes automatic restart (root user use)

4.4 Shutdown-r 20:35 Restart on time 20:35 (root user) If you set the restart by Shutdown command, you can cancel the restart shutdown with the shutdown-c command.

4.5 Halt immediately shut down the machine

4.6 Poweroff immediately shut down the machine

4.7 shutdown-h now shuts down (root user)

4.8 shutdown-h 10 10 min After auto power off if you set the shutdown by Shutdown command, you can cancel the restart with the Shutdown-c command.

"Linux" Common operating instructions