stupid ksh question

[Nick Sayer]

The answer to my question came from David Elliott:

>ksh is a version of sh that has been heavily extended.  It has been
>around for 5 or 6 years, but has never been part of a released system
>until System V.4.  Most users of ksh either bought it from AT&T (at an
>exhorbitant price) or got a copy through some illicit means.

Thanks to David and all those who replied.

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