QED (text editor)

QED is a line-oriented computer text editor.

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Originally written by Butler Lampson and L. Peter Deutsch for the SDS 940, probably in 1966. Ken Thompson later wrote a version for CTSS; this version was notable for introducing regular expressions. QED influenced the classic UNIX text editor ed and the less well known sam by Rob Pike. A Canadian version of QED named FRED (Friendly Editor) was written at the

Related Topics:
Butler Lampson - L. Peter Deutsch - SDS 940 - 1966 - Ken Thompson - CTSS - Regular expression - UNIX - Ed - Sam - FRED

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University of Waterloo for Honeywell GCOS systems by Peter Fraser.

Related Topics:
University of Waterloo - GCOS

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See also: QED for other uses of "QED".

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