procps may not be installed by default on BSDs or VMS or whatever other *nix flavour the person has. But then again quite a few of those systems also don't use

procps may not be installed by default on BSDs or VMS or whatever other *nix flavour the person has. But then again quite a few of those systems also don't use bash as default shell(or at least didn't use to), so when the person above asks about "writing a bash script to just do" it's safe to make some assumptions about the target audience.