01-linux System Vim Editor

Vim Basic Introduction

The VI command is the most versatile full-screen plain text editor in Unix operating systems and UNIX-like operating systems. The VI editor in Linux is called Vim, which is the enhanced version of VI (VI improved), fully compatible with the VI editor, and implements a number of enhancements.

VIM Inner Finger Command

Ctrl+u: Half screen to the top of the file,
Ctrl+d: Half screen to the end of the file,
Ctrl+f: Flip a screen to the end of the file,
Ctrl+b: Turn one screen at the top of the file,
ESC: switch from edit mode to command mode;
ZZ: Save the changes made in the current file in command mode and exit VI;
: line number: The cursor jumps to the beginning of the specified line;
: $: The cursor jumps to the beginning of the last line;
X or x: Deletes a character, x deletes the cursor, and x deletes the cursor;
D: Delete all characters from the current cursor to the end of the line at which the cursor is located;
DD: Deletes the line of the cursor;
NDD: Deletes the current row and its n-1 rows;
Nyy: Saves the contents of the current row and its next n rows to the register? In, where? is a letter, n is a number;
P: Paste the text action to paste the contents of the buffer below the current cursor position;
P: Paste the text action to paste the contents of the buffer above the current cursor position;
/String: Text lookup operation, Used to find the contents of the specified string from the current cursor position to the end of the file, the found string is highlighted;
? Name: A text lookup operation to find the contents of the specified string from the current cursor position to the head of the file, the found string is highlighted, and
a,bs/f/t: Replaces the text action, which is used to change the F string to a T string between lines A and B. where "s/" means the substitution operation;
A: Add text after the current character;
A: Add text at the end of the line,
I: Insert text in the current word,
I: Insert text at the beginning of the page,
O: Insert a blank line after the current row;
O: Insert a blank line in front of the current line;
: Wq: In command mode, perform a save operation;
: w: in command mode, perform a disk operation;
: w! : In command mode, perform a forced disk operation;
: Q: In command mode, perform the exit VI operation;
: q! : In command mode, perform a forced exit VI operation;
: E File name: In command mode, open and edit the file with the specified name;
: N: In command mode, if you open multiple files at the same time, continue editing the next file;
: F: In command mode, to display the current file name, The line number of the line where the cursor is located, and the scale of the display;
: Set Number: In command mode, to display line numbers at the leftmost end;
: Set nonumber: In command mode, to not display line numbers on the leftmost side;

Command-line mode

//命令光标跳转G   跳转光标至末端gg  跳转光标至顶端Ngg 跳转光标至当前文件内的22行$   将当前光标跳转至光标所在行的末端(尾部)^   将当前光标跳转至光标所在行的头部  —> 数字0 可实现类似效果//文件内容较多ctrl+f  往下翻页(行比较多)  ctrl+b  往上翻页//复制    yy复制当前光标所在的行5yy复制当前光标以及光标向下4行//粘贴  p(小写) 粘贴至当前光标下一行   P(大写) 粘贴至当前光标上一行//删除   dd  删除当前光标所在的行   4dd 删除当前光标所在的行以及往下的3行dG  删除当前光标以后的所有行D   删除当前光标及光标以后的内容  x   删除当前光标标记往后的字符X   删除当前光标标记往前的字符//剪贴先删除dd(number dd)，后粘贴p//撤销u   撤销上一次的操作(类似windows下的ctrl+z)//替换    r   替换当前光标标记的单个字符R   进入REPLACE模式, 连续替换，ESC结束

Vim edit mode

i   编辑模式(不做任何操作)I   光标跳转至本行的头部a   光标的后一位编辑A   将光标移动到本行的尾部o   在当前光标所在的行下添加空白的行O   在当前光标位置的上一行添加空白行

Vim end-of-line mode

The last-line mode is used primarily for searching, saving, and exiting files, as well as allowing users to execute external Linux commands or jump to a specific number of lines in a written document

Last-line mode (must be returned to command-line mode)

:w      保存当前状态:w!     强制保存当前状态:q      退出当前文档(文档必须保存才能退出):q!     强制退出文档不会修改当前内容:wq     先保存，在退出:wq!    强制保存并退出:x      先保存，在退出ZZ      保存退出, shfit+zz:number 跳转至对应的行号

Last-line mode (find and replace)

查找  /string 需要搜索的内容（查找）        n 按搜索到的内容依次往下进行查找        N 按搜索到的内容依次往上进行查找替换    :1,5s#sbin#test#g   替换1-5行中包含sbin的内容为test    :%s#sbin#test#g 替换整个文本文件中包含sbin的替换为test    :%s#sbin#test#gc  替换内容时时提示是否需要替换另存:w /root/test  将文件所有内容另存为/root/test读入:r  /etc/hosts  读入/etc/hosts文件至当前光标下面:5r /etc/hosts  指定/etc/hosts文件当前文件的哪行下面

01-linux System Vim Editor