07.linux System Management Commands

1. Graphical Interface Management:

To switch from the graphical interface to the character interface input init 3

If you want to switch the character interface to the graphical interface init 5

2. Process Management:

Kill kills a process

Kill-9 force kills a process

? Stat displays information about the specified file, more than the LS command display? Who, W display online login user? WhoAmI shows the user's identity? hostname display the host name? uname displays system Information? Top shows the most resource-intensive processes in the current system ? PS shows the process status of the moment

DMESG Display System Boot information

Ps-aux

Du displays the total amount of disk space that is used by the specified file (directory)? DF shows the usage of the file system disk space? Free displays the current memory and swap space usage? ifconfig Display network interface information? Ping test network connectivity? Netstat Display network status information ? Man command Help information query? Alias set command Alias

alias [alias]=["directive name"]

? Clear Clear screen? Kill kills the process

Free–s2

Alias smd= "Du–h"

Unalias

07.linux System Management Commands