I just needed to write a simple shell script ... If one is using Ubuntu Linux, then it is daft to begin with System 5 rc scripts, given that one already has up

I just needed to write a simple shell script ... If one is using Ubuntu Linux, then it is daft to begin with System 5 rc scripts, given that one already has upstart on version 14 and has systemd on version 15. Ironically, those "basics" are the bits that one doesn't need to write at all. See http://unix.stackexchange.com/a/200281/5132 http://unix.stackexchange.com/a/200281/5132 .