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Wait for the termination of arbitrary processes. See also: wait. More information:

  • Sleep until all processes whose PIDs have been specified have exited:

waitpid {{pid1 pid2 ...}}

  • Sleep for at most n seconds:

waitpid --timeout {{n}} {{pid1 pid2 ...}}

  • Do not error if specified PIDs have already exited:

waitpid --exited {{pid1 pid2 ...}}

  • Sleep until n of the specified processes have exited:

waitpid --count {{n}} {{pid1 pid2 ...}}

  • Display help:

waitpid -h