Interpretation of Vim editor working mode in Linux environment

In the Linux environment, the Vim editor is a powerful text editing tool that is widely used in the work of programmers and system administrators. Vim has multiple working modes, such as normal mode, insert mode, command mode, etc. Each mode has its specific functions and usage. This article will explain the working mode of the Vim editor and attach specific code examples.

1. Normal mode

In Vim, the default mode is normal mode, also called command mode. In this mode, users can enter commands through the keyboard to perform various editing operations, such as moving the cursor, copying and pasting, deleting text, etc. The following are some commonly used operations in normal mode:

1. Cursor movement:
2. h: Move one character to the left
3. j: Move one line down
4. k: Move up one line
5. l: Move one character to the right
6. 0: Move to the beginning of the current line
7. $: Move to the end of the current line End of line
8. gg: Move to the beginning of the document
9. G: Move to the end of the document
10. Copy and paste:
11. yy: Copy the current line
12. p: Paste the copied content
13. Delete text:
14. x: Delete the character at the cursor
15. dd: Delete the current line

2. Insert mode

In normal mode, press the "i" key to enter insert mode, at which time the user can enter text content. Normal mode command operations are not supported in insert mode, and only text can be entered. Press the "Esc" key to return from insert mode to normal mode.

3. Command mode

In normal mode, the user can press the ":" key to enter the command mode. In this mode, various Vim commands can be executed, such as saving files and exiting. Editor etc. The following are some commonly used command mode instructions:

1. Save file:
2. :w: Save the current file
3. :wq: Save and exit
4. :q: Exit the editor
5. :q!: Force quit the editor (without saving)
6. Find text:
7. /keyword: Search for keyword

The following is a specific code example that demonstrates how to find the keyword "example" in Vim and replace it with "example":

1. Enter the Vim editor and press Press the ":" key to enter the command mode
2. Enter "/example" to search for keywords
3. Press the "Enter" key to search
4. Enter ":s/example/example /g"Replace the keyword with "example"
5. Press the "Enter" key to complete the replacement operation

Through the above example, you can see the working mode of the Vim editor and its Specific steps. Proficient in Vim's various modes and operating instructions can improve text editing efficiency and bring convenience to programming and system management.

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