Back in the day CP/M had a feature which allowed you to batch up commands, you'd write a "FOO.SUB" file, then run "SUBMIT FOO". There was a neat binary named "

Back in the day CP/M had a feature which allowed you to batch up commands, you'd write a "FOO.SUB" file, then run "SUBMIT FOO". There was a neat binary named "SLASH.COM" which would allow you to create a submission file ("$$$.SUB") by running "SLASH FOO ; BAR ; ECHO HELLO". Of course CP/M is a dead system, mostly.