Pictures are worth a thousand unix commands and options i draw this to my students each semester and they seem to grasp vi afterwards. Upon starting, vi goes into command mode, where you can type short, few character commands, blindly.
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Videos of You Can Vi Language:En
deleting text from command mode x delete a character dw delete an alphabetic word and the following space (6dw deletes six words) dw delete a blank-delimited word and the following space dd delete a line (6dd deletes six lines) d delete all characters to the end of the line.
What is vi? The default editor that comes with the unix operating system is called vi (visual editor). Alternate editors for unix environments include pico and emacs, a product of gnu. The unix vi editor is a full screen editor and has two modes of operation. Command mode commands which cause action to be taken on the file, and insert mode in which entered text is inserted into the file.
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