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They didn't take too much memory, they mostly were just a bad ideas. "Ring security" doesn't really do anything; long command names are unwieldy and counterproductive (see PowerShell) etc; memory-safe languages have always been there in UNIX.

And it's not like C can't be memory-safe, as shown by CHERI/Morello (shameless plug). It depends on hardware.

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> long command names are unwieldy and counterproductive (see PowerShell)

Going to have to disagree here. PowerShell reminds me of Lisp Machines/Emacs in this regard. As long as the shell supports completions this isn't an issue and aids in habituation and discover-ability IMHO.

devils advocate: command completion is bloat. discoverability papers over poor documentation. All of this enforces the bad habit of expecting the software to hold your hand everywhere.

I like PowerShell conceptually - basically, manipulating structured objects instead of unstructured text - but the commands themselves always feel overly verbose/awkward. Maybe it's just me.

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