Sunday, 24 September 2017

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When computer terminals with video screens became available, screen-based text editors (sometimes termed just "screen editors") became common. One of the earliest "full-screen" editors was O26 - which was written for the operator console of the CDC 6000 series machines in 1967. Another early full-screen editor is vi. Written in the 1970s, vi is still a standard editor[1] on Unix and Linux operating systems. Vi and Emacs are popular editors on these systems. The productivity of editing using full-screen editors (compared to the line-based editors) motivated many of the early purchases of video terminals.