WAITPID(1) WAITPID(1) waitpid - waitpid [-v] [--timeout|-t ] PID... waitpid is a simple command to wait for arbitrary non-child processes. It exits after all processes whose PIDs have been passed as arguments have exited. -v, --verbose Be more verbose. -t, --timeout Maximum wait time. -e, --exited PID . -c, --count . -h, --help . -V, --version Display version and exit. *waitpid* : 0 1 2 3 Thomas Weissschuh waitpid(2) wait(1P) For bug reports, use the issue tracker . waitpid Linux Kernel Archive util-linux . util-linux 2.41 2025-03-29 WAITPID(1)