How to use the PS command in Linux | What is PS command | What is PS -ef?

#mprashant #linux #linuxprocess

Hello dosto,
In this video I have covered PS command in linux which is very useful to get the information about the running process in our linux environment.

00:00 Introduction
00:25 What is a process
00:50 PS command example
01:25 PS command output explain
01:51 Most widely used PS command
04:13 To see all the running process in BSD format
05:45 Practical use of PS command
06:05 Search process using grep
07:43 To see the processes by username
09:16 To see the Process tree


Syntax:

ps [OPTIONS]

ps - Shows the process of current shell

PID - unique process ID
TTY - terminal type of user logged in to
TIME - amount of CPU in min and sec that process has been running
CMD = name of the command that launched the process

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Most widely used command

To see all the running processes
ps -e
ps -A
ps -ef (for full format)

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To see all the running process in BSD (Berkeley Software Distribution) format in Linux
Ideally it gives you more information

ps aux

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To see the process by username

ps -u user_name
ps -G group_name

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Process associated with terminals

ps -T (current terminal only)
ps -x (other terminal included)


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To see the process tree

ps -ejH

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