Korn Shell Programming by Example

bg

Official Description

Runs jobs in the background.

Syntax

bg [job_id...]

Options

None

Oddities

If no job_id is given, the most recently suspended job is used.

Available on systems that support job control.

Used to get a stopped job to resume execution but remain in the background.

Example

$ cat buzz
#! /bin/ksh
integer x=17
while :
do
x=17
done
$
$ buzz
[1] + Stopped                  buzz   # Ctrl+Z
$
$ jobs
[1] + Stopped                  buzz    # Job buzz is stopped
$
$ bg %1                                # Get it going in the background
[1]     buzz&
$
$ jobs
[1] +  Running                 buzz    # Job buzz is running now,
                                       # in the background
$