STAT returns the symbolic process state.%MEM returns the percentage memory usage.%CPU returns the percentage of CPU usage.USER returns the username of the user running the process.This will display the process for the current shell with eleven columns: x: includes processes that do not have a controlling terminal.u: displays the processes belonging to the specified usernames.a: displays information about other users' processes as well as your own.To display all running processes for all users on your machine, including their usernames, and to show processes not attached to your terminal, you can use the command below: ps aux Type man ps in your terminal to read the manual for the ps command, which has a complete reference for all options and their uses. If you specify more than one of these options, then all processes which are matched by at least one of the given options will be displayed. You can choose to display a certain set of processes by using any combination of options (like -A -a, -C, -c, -d, -E, -e, -u, -X, -x, and others). CMD returns the name of the command that launched the process.TIME returns the total amount of CPU usage.TTY returns the terminal type you're logged into.This will display the process for the current shell with four columns: To test this, just open your terminal and run the ps command like so: The ps command displays your currently running processes in real-time. You can list running processes using the ps command (ps means process status). How to List Running Processes in Linux using the ps Command Likewise, when you run a command in the terminal (like curl ), it creates a process that will only stop when the command finishes executing or is terminated.
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