Linux User manual

VI User Manual

VI is the most commonly used text editing tool on Unix, as a UNIX software tester, it is necessary to master it. command to enter VI VI FileName: Opens or creates a new file and places the cursor at the beginning of the first vi +n FileName: Opens the file and places the cursor at the beginning of nth VI + FileName: Opens the file and places the cursor at the beginning of the last line vi +/pattern FileName: Opens the file and places the cursor at the first string that matches the pattern vi-r FileName: The last time you were editing with VI, a system crash occurred, restoring filename VI filename....filename: Open multiple files, edit them sequentially move Cursor Class command h: Move the cursor one character to the left L: Move the cursor right one character Space: Move the cursor right one character Backspace: Cursor moves left one character K or ctrl+p: Move the cursor up one line J or CTRL + N: Move the cursor down one line Enter: Move the cursor down one line W or W: Move the cursor right one word to the beginning of the word B or B: The cursor moves left one word to the beginning of the word e or E: Move the cursor right one word j to the end of the word ): Move the cursor to the end of the sentence (: The cursor moves to the beginning of the sentence }: Move the cursor to the beginning of the paragraph {: Cursor moves to end of paragraph NG: Cursor moves to the beginning of nth n+: The cursor moves down n rows N: Move the cursor up n rows n$: Cursor moves to end of Nth Line H: Move the cursor to the top row of the screen M: Move the cursor to the middle line of the screen L: The cursor moves to the last line of the screen 0: (note is the number 0) cursor moves to the beginning of the current line $: Cursor moves to the end of the current line screen Tumbling Class command ctrl+u: First half screen to file ctrl+d: Half-screen to the end of the file ctrl+f: Flip a screen to the end of a file ctrl+b; Turn one screen to the top of the file NZ: Rolls line N to the top of the screen and scrolls the current line to the top of the screen when n is not specified. insert text Class command I: Before the cursor I: At the beginning of the current A: After the cursor A: At the end of the current line o: A new line below the current line O: New row above the current line R: Replace the current character R: Replaces the current character and its characters until the ESC key is pressed S: Replaces the specified number of characters with the input text starting at the current cursor position S: Deletes the specified number of rows and replaces them with the input text NCW or NCW: Modifies a specified number of words NCC: Modifying a specified number of rows Delete command NDW or NDW: Delete the n-1 characters at the beginning and after the cursor Do : Delete to the beginning of the line d$: Delete to end of line NDD: Deletes the current line and its subsequent n-1 rows x or x: Deletes a character, x deletes the cursor, and x deletes the cursor before the ctrl+u: Delete text entered under input mode Search and Replace commands: /pattern: Searches for pattern at the end of the file from the beginning of the cursor ? Pattern: Searches for pattern from the beginning of the cursor to the top of the file N: Repeat the last search command in the same direction N: Repeats the last search command in the opposite direction : s/p1/p2/g: Replaces all P1 in the current row with P2 : n1,n2s/p1/p2/g: All P1 in line N1 to N2 are replaced with P2 : g/p1/s//p2/g: Replace all P1 in the file with P2 option Settings All: List all option settings Term : Set Terminal type ignorance: Ignoring case in search list: Display tab stops (CTRL+I) and end-of-line flags ($) number: Show line numbers Report: Displays the number modified by the line-oriented command terse: Displays a short warning message warn: Displays no write message if the current file is not saved when you go to another file nomagic: Allows the use of special characters that are not preceded by "\" In search mode Nowrapscan: Prohibit VI from the other end when the search reaches the end of the file MESG: Allow VI to display information that other users write to their terminal using write last line mode command : N1,N2 Co N3: Copy the contents of the N1 line to the N2 row below the N3 line : n1,n2 m N3: Move the contents of the N1 line to the N2 line below the N3 line : n1,n2 d: Delete the contents of N1 rows to N2 rows : w: Save current file : E filename: Open file filename for editing : x: Save current file and exit : Q: Exit VI : q!: Do not save file and Exit VI :!command: Execute shell command : n1,n2 W!command: The contents of the N1 line to the N2 line in the file as input and execution of the command, if not referred to n1,n2, the input of the entire file content as the command : R!command: Puts the command's output to the current line.

Linux User manual