ps

Overview ¶

Package ps implements the ps builtin command.

ps — report process status

Usage: ps [-e|-A] [-f] [-p PIDLIST] [--help]

Display information about running processes. By default shows processes in the current session (ancestor chain from the current process).

Accepted flags:

-e, -A
    Select all processes.

-f
    Full-format listing: UID PID PPID C STIME TTY TIME CMD

-p PIDLIST
    Select processes by comma- or space-separated PID list.

--help
    Print usage to stdout and exit 0.

Output columns (default):

PID TTY TIME CMD

Output columns (-f):

UID PID PPID C STIME TTY TIME CMD

Exit codes:

0  Success (even if 0 processes match).
1  Invalid PID value or OS error fetching process list.