bg
This command permits the suspended jobs to be resumed through placing them in background.
Syntax
bg [ % job]
where % job can be
% num denotes a job number for an associated process
% + denotes the currernt job; the last job suspended
% - denotes the previous job; process before the current job
The following instance shows how to restart the suspended job 6.
# bg %6
[1] ls -Rl / 1>/tmp/out1 &
# jobs
[6] + Running ls -Rl / 1>/tmp/out1