Process identifier (PID)

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Apr 08 08:44:48 SERVER systemd[1]: nginx.service: Failed to parse PID from file /run/nginx.pid: Invalid argument

See also

• Process, zombie process, fork, thread: ps, tree, pstree, ps axf, proc, pwdx, which, watch, sar -q, tload, uptime, Interrupts, pgrep, tasklist (Windows), Zombie process, pstack, docker ps, docker-compose ps, jobs, acct, process mrelease, pidstat, IPC, pidof