Using the ps command in a terminal window, twice. The second time, the -e option is used. Piping the output from ps through grep to search for the firefox process.

Mac OS X systems, which still use the “aux” version of the ps command, ... How to Use the column Command in Linux | Format Output into Neat Columns Easily. May 8, 2025 1 mins. Linux.

But to use the kill command, you must first have the PID of the application in question (which you locate with the ps aux command). Let's say the PID of a wayward LibreOffice application is 604187.

Some standard output from ps -aux The Linux command line isn't just about issuing commands. Control key sequences are important as well. You'll need to know that Control+C ...

My OpenOffice.org writer is sleeping (state S) while I type my example, and my ps command is running (state R). For an idea of how a running program is performing, type: ps -o start,time,etime -p ...

The quickest way to determine what and how many processors are installed on a Linux system is to turn to the mighty gateway of kernel data -- the /proc pseudo-filesystem. In it, you'll find a file ...

With that said, let's jump to the commands. 1. top. The top command prints out a real-time list of Linux processes, which can be important should an app or process go awry and you need to find out ...

If you have a command that outputs a lot of data to the terminal, you might want to send that output to a file for easier (or later) viewing or sharing. Jack Wallen shows you how.