[D66] vi

[Antid Oto]

rene at NUC:~$ describe vi
en:
keyboard-oriented text editor
**vi** (pronounced as distinct letters,  ) is a screen-oriented text 
editor originally created for the Unix operating system. The portable 
subset of the behavior of vi and programs based on it, and the ex editor 
language supported within these programs, is described by (and thus 
standardized by) the Single Unix Specification and POSIX.

The original code for vi was written by Bill Joy in 1976, as the visual 
mode for a line editor called ex that Joy had written with Chuck Haley. 
Bill Joy's ex 1.1 was released as part of the first Berkeley Software 
Distribution (BSD) Unix release in March 1978. It was not until version 
2.0 of ex, released as part of Second BSD in May 1979 that the editor 
was installed under the name "vi" (which took users straight into ex's 
visual mode), and the name by which it is known today. Some current 
implementations of vi can trace their source code ancestry to Bill Joy; 
others are completely new, largely compatible reimplementations.

The name "vi" is derived from the shortest unambiguous abbreviation for 
the ex command `visual`, which switches the ex line editor to visual 
mode. The name is pronounced  (the English letters _v_ and _i_ ).

In addition to various non–free software variants of vi distributed with
proprietary implementations of Unix, vi was opensourced with 
OpenSolaris, and several free and open source software vi clones exist. 
A 2009 survey of _Linux Journal_ readers found that vi was the most 
widely used text editor among respondents, beating gedit, the second 
most widely used editor, by nearly a factor of two (36% to 19%).
https://en.wikipedia.org/wiki/Vi


On 21-04-2020 16:49, Antid Oto wrote:
> rene at NUC:~$ vi rus
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