The use of PS and grep under Linux

Ps-process status
PS is used to view the process, PS parameters are very many.
Format: PS [options]
PS-A List the processes used
Ps-aux Show all processes that contain other users
Ps-axi List of all sprite processes
Grep--goobal Regular Expr ession Print, which represents the global regular expression version.
Format: grep find content [options]
Options are responsible for defining how to find

Usually grep and PS are used, for example, to find a particular process
Ps-aux | grep test, looking for a process named test

Reference content for specific use methods

The use of PS and grep under Linux