csh expressions

[cak at Purdue.ARPA]

From:  Christopher A Kent <cak at Purdue.ARPA>

Folks, flaming about the csh is warranted, but I think that many folks
have lost sight of the fact that the csh is older than bsh (Bourne
shell), since it first appeared on 2BSD for pdp-11s, back in version 6.
It's been hacked a lot since then, but those are its roots.

Not an excuse, just an explanation...

Cheers,
chris
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