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pwait(1) [freebsd man page]

PWAIT(1)						    BSD General Commands Manual 						  PWAIT(1)

pwait -- wait for processes to terminate SYNOPSIS
pwait [-v] pid ... DESCRIPTION
The pwait utility will wait until each of the given processes has terminated. The following option is available: -v Print the exit status when each process terminates. DIAGNOSTICS
The pwait utility returns 0 on success, and >0 if an error occurs. Invalid pids elicit a warning message but are otherwise ignored. SEE ALSO
kill(1), pkill(1), ps(1), wait(1), kqueue(2) NOTES
pwait is not a substitute for the wait(1) builtin as it will not clean up any zombies or state in the parent process. HISTORY
A pwait command first appeared in SunOS 5.8. BSD
November 1, 2009 BSD

Check Out this Related Man Page

wait(1) 						      General Commands Manual							   wait(1)

wait - await process completion SYNOPSIS
If no argument is specified, waits until all processes (started with of the current shell have completed, and reports on abnormal termina- tions. If a numeric argument pid is given and is the process ID of a background process, waits until that process has completed. Other- wise, if pid is not a background process, exits without waiting for any processes to complete. Because the system call must be executed in the parent process, the shell itself executes without creating a new process (see wait(2)). Command-Line Arguments supports the following command line arguments: The unsigned decimal integer process ID of a command, whose termination is to wait for. WARNINGS
Some processes in a 2-or-more-stage pipeline may not be children of the shell, and thus cannot be waited for. SEE ALSO
csh(1), ksh(1), sh-posix(1), sh(1), wait(2). STANDARDS CONFORMANCE
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