Linux in a Nutshell, Third Edition

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Name

wait

Synopsis

wait [ID]

Description

Pause in execution until all background jobs complete (exit status 0 will be returned), or pause until the specified background process ID or job ID completes (exit status of ID is returned). Note that the shell variable $! contains the process ID of the most recent background process. If job control is not in effect, ID can be only a process ID number. See Section 7.8.

Example

wait $! Wait for last background process to finish

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