UNIX and the Vi editor
The Mastering the Vi editor (originally published by the College of Engineering at the University of Hawaii at Manoa) notes that
the Vi editor (short for Visual editor) is a screen-based editor used by many Unix users. The Vi editor has powerful features to aid programmers, but many beginning users avoid using Vi because the different features overwhelm them.
We won't spend too much time becoming Vi "experts", but we will look at how to use the server to get into it.
It does have its challenges. The Vi Lovers Home Page (which you might expect to be positive about it) notes:
If you are a Windows user and you are forced to work using a server OS for a week: don't learn Vi. However, if you need a good, multi-purpose editor, then Vi is a very good, highly recommended choice. Invest some time and learn Vi.
If you want more, try ITS's help page: UNIX: Vi Editor.
If you use a Mac, check out Vim (Vi Improved).
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