Sometimes hundreds per day. Tabs come and go here. People have different workflows.

Yesterday just shy over 50, according to entries from `login` in the system log.

I do launch multiple interpreters just to get a fancy coloful cowsay on each launch. Which involves the fortune program, lolcat (via ruby) and cowsay itself (via Perl). I probably should optimise that into a single C binary for better startup times! :)