The ps aux command provides a detailed list of all running processes, including the full command line used to start each process. The a flag tells ps to list the processes of all users, u includes user/owner information, and x includes processes that are not attached to a terminal. The pidof command only retrieves the process ID (PID) of a named process, whereas kill is used to send signals to processes (often to terminate them), and lsof lists open files and the processes that opened them.
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What does the 'aux' in 'ps aux' stand for?
How can I filter the output of 'ps aux' for a specific process?