bg[jobIDs]
Put the current job or the jobIDs
in the background. See also "Job Control" at the end of this
section.
To place a time-consuming process in the background, you might begin with:
4%nroff -ms reportCTRL-Z
and then issue any one of the following:
5%bg5%bg %Current job 5%bg %1Job number 1 5%bg %nrMatch initial string nroff 5%% &