Definition:
- report a snapshot of the current processes.
Synopsis:
ps [options]
List of options:
Simple:
p <pid>
: display info of process pid-a
:- Select all processes except both session leaders (see getsid(2)) and processes not associated with a terminal.
-e
: Select all processes. Identical to -A.
Selection by list:
-u
: user-oriented format-f
: display supplementary info