ED or ED-1100 is an interactive text editor implemented on the UNIVAC 1100/2200 series.
"ED was developed at Univac in the mid-60s. It was loosely based on the Project MAC editor developed for the MULTICS system at MIT."-Tom McCarthy
"Project MAC editor was programmed by Jerry Saltzer as a way to produce documentation. In fact, that editor became the first interactive word-processor ever programmed."History of UNIVAC's ED processor (ED-1100) "The name of the software was ED, or ED Processor, or ED-1100."
"The command TYPSET is used to create and edit 12-bit BCD line-marked files"CTSS PROGRAMMER'S GUIDE Section AH.9.01 12/66
ED was improved by Dr. Roger M. Firestone in the mid-1970s.
See also List of UNIVAC products History of computing hardware
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