What is the vim command in Linux?

In Linux, vim is a command used to edit various texts and programs; vim is a rich text editor, an extended version of the vi editor, which can be undone multiple times and can open multiple windows at the same time. Edit, with rich code completion, compilation, error jump and other convenient programming functions.

#The operating environment of this tutorial: linux7.3 system, Dell G3 computer.

What is the vim command in Linux

vim is a rich text editor and an extended version of the vi editor. It can be used to edit various texts, especially programs

It has many advantages compared with vi. It can be undone multiple times, can open multiple windows for editing at the same time, syntax highlighting, command line editing, online help, visual selection, etc.

It is particularly rich in functions that facilitate programming, such as code completion, compilation and error jumping. To put it simply, vi is an old-fashioned word processor, but its functions are already very complete, but there is still room for improvement. vim can be said to be a very useful tool for program developers.

Basically, vi/vim is divided into three modes, namely command mode (Command mode), input mode (Insert mode) and bottom line command mode (Last line mode). The functions of these three modes are:

1. Command mode:

When using Vim to edit files, it is in command mode by default. In this mode, you can use the up, down, left, and right keys or the k, j, h, l commands to move the cursor, and you can also copy, paste, replace, delete, and other operations on the file content.

2. Input mode:

In the input mode, you can perform writing operations on files, similar to entering content in a Windows document. The way to enter the input mode is to enter i, a, o and other insertion commands. After writing, press the Esc key to return to the command mode.

In the input mode, you can use the following keys:

字符按键以及Shift组合，输入字符
ENTER，回车键，换行
BACK SPACE，退格键，删除光标前一个字符
DEL，删除键，删除光标后一个字符
方向键，在文本中移动光标
HOME/END，移动光标到行首/行尾
Page Up/Page Down，上/下翻页
Insert，切换光标为输入/替换模式，光标将变成竖线/下划线
ESC，退出输入模式，切换到命令模式

3. Editing mode:

If you want to save, find or replace some content, etc., you need to enter the editing mode . The method to enter the edit mode is: press the ":" key in the command mode, and a ":" symbol will appear in the lower left corner of the Vim window. At this time, you can enter relevant instructions to operate. After the instruction is executed, it will automatically return to the command mode.

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