A report on TYPSET and RUNOFF, Roff (software) and Jerry Saltzer

It was a Unix version of the runoff text-formatting program from Multics, which was a descendant of RUNOFF for CTSS (the first computerized text-formatting application).

roff is a descendant of the RUNOFF program by Jerry Saltzer, which ran on CTSS.

The original RUNOFF type-setting program for CTSS was written by Jerome H. Saltzer circa 1964.

This runoff code was the ancestor of roff that was written for the fledgling Unix in assembly language by Ken Thompson.

RUNOFF, a very early text-formatting program which was the basis for roff and nroff