openbsd下vi编辑器的用法（The use of the VI Editor under OpenBSD）.docVIP

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openbsd下vi编辑器的用法（The use of the VI Editor under OpenBSD）.doc

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openbsd下vi编辑器的用法（The use of the VI Editor under OpenBSD）

openbsd下vi编辑器的用法（The use of the VI Editor under OpenBSD） The VI editor is the standard editor for all Unix and Linux systems. 1, the basic concepts of VI VI can be divided into three states, namely command mode (command mode), Insert mode (insert mode) and bottom line mode (last line mode), and the functions of each mode are distinguished as follows: 1) command line mode command mode) Control screen cursor movement, delete characters, words or rows, move, copy a section, and enter Insert mode, or to last line mode. 2) insert mode (Insert mode) Only in Insert mode can you do text input, press the ESC key to return to command line mode. 3) bottom line mode (last line mode) Save or exit the VI, or you can set the edit environment, such as finding strings and listing the line numbers Etc.. Generally we simplify VI into two modes in use, is the bottom line mode (last line mode) on the command line command mode). 2, the basic operation of VI A) enter VI After the system prompt symbol enters VI and file name, enter the VI full screen edit screen: $VI myfile Note that after you enter the VI, you are in the mode (command), and you have to switch to Insert mode to enter the text. B) switch to insert mode (Insert mode) to edit the file Under the command line mode (command mode), press the letter I to enter Insert mode, then you can start typing. C) Insert switching You are currently in the Insert mode mode, and you can only enter the text all the time, if you find the wrong word! If you want to move back with the cursor keys, delete the word first, press the ESC key, go to command line mode (command mode), and then delete the text. D) quit VI and save the file In the command line mode (command mode), click : the colon key enters Last line mode, for example: : W filename (enter W filename) save the article as the specified file name filename.) : WQ (enter WQ, save and exit VI) : q! (enter Q, do not save, force VI) 3, command line mode (command mode) function keys 1) insert mode