linux system in a few simple commands, other commands come into contact with the supplement.
1.ps command: (process status), provides for a one-time process view. And when that moment executives ps command process information
Format: ps [parameters]
-e This parameter shows all the programs
-f display field information uid, ppid, c, stime of
For example: Enter the command ps -ef
2.kill command: delete or kill the execution of a program or process.
Format: kill [parameters] [Program]
-l <information coding> If no additional information is encoded, the -l will list all of the information name
kill -9 indicates the operating procedures of forced termination
Format: kill -9 pid pid refers pid, as listed in FIG ps -ef come in.
3.ifconfig command displays network devices, Windows use ipconfig, and linux use ifconfig.
Connectivity 4.ping command test network.
5.reboot: linux centos restart command
6.halt: linux centos shutdown command