.TH WAIT 1 .SH NAMEwait \- await completion of process.SH SYNOPSIS.B wait.SH DESCRIPTIONWait until all processes started with.B &have completed,and report on abnormal terminations..PPBecause the.IR  wait (2)system callmust be executed in the parent process,the Shell itself executes.I wait,without creating a new process..SH "SEE ALSO"sh(1).SH BUGSNot all the processes of a 3- or more-stagepipeline are children of the Shell, andthus can't be waited for.