The Wait commands¶

It is a command that waits for completing any running process of given id. if the process id is not given then it waits for all current child processes to complete.

Example¶

This example shows how the wait command works :

Step-1:

Create a file named "wait_example.sh" and add the following script to it.

#!/bin/bash echo "Wait command" & process_id=$! wait $process_id echo "Exited with status $?"

Step-2:

Run the file with bash command.

$ bash wait_example.sh