Håkon Alstadheim <hakon@alstadheim.priv.no> writes: > You don't need a command (at least with the versions of bash I've used > the last 10 years), just make sure the variable does not get expanded > before it is assigned to PS1. Like so: PS1='$?\$ '. now try executing > /bin/true and /bin/false. Indeed, thanks for enlightening me. I've had this PROMPT_COMMAND for a few years, never noticed that it is not necessary. Cheers, Sven