Batch processes run in the background on a machine and check out one license per session. Batch processes include crons, execution of UNIX AT and BATCH commands and '<' redirect with STDIN (standard input).
If you execute '&system' at an ARC prompt and then start another ARC session you will have started a batch process:
% arc
Arc: &system
% arc
For example, on Windows NT/2000 the following batch job is submitted:
C:\> at 8:00 /interactive /every:mwf
C:\users\fred\submit.bat
where submit.bat is a batch file that runs ARC every Monday, Wednesday, and Friday. This batch job takes its own license.
Each of these is case sensitive and will execute with allowable abbreviations such as &sys.
Arc: &sys arc
Arc: &sys $ARCHOME/bin/arc
Arc: &sys arc info
Arc: &sys info
Arc: &sys $ARCHOME/bin/info
Arc: &sys arc $ARCHOME/bin/info
Arc: &sys $ARCHOME/bin/arc info
Arc: &sys $ARCHOME/bin/arc $ARCHOME/bin/info
Arc: &data arc
Arc: &data $ARCHOME/bin/arc
Arc: &data arc info
Arc: &data info
Arc: &data $ARCHOME/bin/info
Arc: &data arc $ARCHOME/bin/arc info
Arc: &data $ARCHOME/bin/arc $ARCHOME/bin/info
Arc: &sys arc
Arc: &sys %ARCHOME%\bin\arc
Arc: &sys arc info
Arc: &sys info
Arc: &sys %ARCHOME%\bin\info
Arc: &sys arc %ARCHOME%\bin\info