wait

Waits for each process identified by an ID, which may be a process ID or a job pecification, and reports its termination status. If ID is not given, waits for all currently active child processes, and the return status is zero. If ID is a a job specification, waits for all processes in that job's pipeline.

• wait [EN] @ Wikipedia

Documentation

• wait [EN] @ GNU Bash Reference Manual

• bash -c 'help wait'
• man 1 'bash' [EN]

Syntax

wait [PARAMETER] [ID ...]

Parameters

-n

If the -n option is supplied, waits for the next job to terminate and returns its exit status.