bg
Put the current job or the jobIDs in the background. See the earlier section "Job Control."
To place a time-consuming process in the background, you might begin with:
4% nroff -ms report | col > report.txt CTRL-Z
nroff -ms report | col > report.txt
CTRL-Z
and then issue any one of the following:
5% bg 5% bg % Current job 5% bg %1 Job number 1 5% bg %nr Match initial string nroff 5% % &
bg %
bg %1
bg %nr
% &