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by chasil 3112 days ago
Commercial UNIXen that bundled CDE had two ksh versions - ksh88 installed as the POSIX shell, and ksh93 installed as the CDE graphical shell as /usr/dt/bin/dtksh.

The dtksh binary bundled Motif X/Windows support, and scripts could easily and quickly build complex GUI applications. This actually remains the fastest and least resource intensive way to build a quick GUI.

https://sourceforge.net/projects/cdesktopenv/

The dtksh was written at Novell by Pendergrast, who wrote a textbook on it.

Modern ksh93 should make this a supported compile option.