Show All Running Processes in Linux


by NIXCRAFT on OCTOBER 12, 2006 · 88 COMMENTS· last updated at JULY 6, 2012

How do I see all running process in Linux?

You need to use the ps command. It provide information about the currently running processes, including their process identification numbers (PIDs). Both Linux and UNIX support ps command to display information about all running process. ps command gives a snapshot of the current processes. If you want a repetitive update of this status, use top command.

ps command

Type the following ps command to display all running process:
# ps aux | less


-A: select all processes
a: select all processes on a terminal, including those of other users
x: select processes without controlling ttys
Task: see every process on the system

# ps -A
# ps -e

Task: See every process except those running as root

# ps -U root -u root -N


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