![]() ![]() You’ll probably see ps -aux or ps aux all the time in Linux tutorials and documentation. See all running processes with ps aux command RSS shows how much memory the process currently has in RAM while VSZ is how much virtual memory the process has in total. ![]() It is usually accompanied by option u in this manner: ps -ux You can find a detailed table in the man page of the ps command.īut you’ll rarely see ps command used with just option x. The STAT in the above output means Process State Codes. I have truncated the output because it had hundreds of lines: PID TTY STAT TIME COMMANDĢ245 ? S 0:00 /usr/bin/ssh-agent -D -a /run/user/1000/keyring/.sshģ039 ? Ss 0:00 /lib/systemd/systemd -userģ054 ? SLl 0:01 /usr/bin/gnome-keyring-daemon -daemonize -loginģ059 tty2 Ssl+ 0:00 /usr/lib/gdm3/gdm-x-session -run-script env The – before option x is optional, but the general Linux convention is to use – before options, so I advise you to keep on following it. The x option will display all the processes even if they are not associated with current tty (terminal type) or if they don’t have a controlling terminal (like daemons). If you want to see all the processes run by you, you can use the ps command with options x like this: ps -x Let’s see some better examples of the ps command: 1. Now, this doesn’t really provide any real, useful information. CMD is the command that you run to launch the process.TIME gives you how long the process has been running.TTY is the type of terminal user is logged in to.PID is the unique process ID of the process.I have sent Gedit command in the background this is why it shows three processes otherwise you will normally see just ps and bash. If you use the ps command without any options in Linux, it will show the running processes in the current shell: ps This is why I will show you some of the most common and useful examples of the ps command in Linux. You can understand its strength and complexity. The ps command is an extensive tool and has over 80 command options. You can get information like process ID (PID) for the processes you or any other user is running on the same Linux system. Where 3rd column indicates start time sonce.The ps command in Linux displays running processes on the system. Output will be process name and process Id. Know which process is using a particular file. You will be able to see all files opened by the process. Step 2 : Now execute below command #ls -ltr /proc//fd/* Or #ps -ef | grep osi | grep -v grep | awk '' | head -1 Then execute lsof -i command #lsof -i | grep įifth column in the output will show whether its listening on ipv4 or ipv6.įind files used/opened by a particular process Step 1 : # First find pid of process #ps -ef | grep ![]() Example of ps Command psĢ764 pts/1 00:00:00 Some Other Common Example How to find whether java application is listening on IPv4 or IPv6 Ps( process) command in linux is used to report the active process status.
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