Linux Vi Editor

The vi editor is a popular and powerful text editor that is available on most Linux systems. It has a steep learning curve, but once you become proficient with it, you can edit text quickly and efficiently.

Here are some basic commands to get you started with vi:

  1. To open a file with vi, type "vi" followed by the name of the file you want to edit, like this: "vi filename".

  2. Once you have opened a file, you can enter "insert mode" by pressing the "i" key. In insert mode, you can type and edit text just like in any other text editor.

  3. To exit insert mode and return to "command mode," press the "Esc" key.

  4. To save changes to a file, type ":w" (colon followed by w) in command mode. To save and exit, type ":wq". To exit without saving, type ":q!".

  5. To move the cursor around the file, use the arrow keys or the "h", "j", "k", and "l" keys (which move left, down, up, and right, respectively).

  6. To delete a character, use the "x" key. To delete a whole line, type "dd" (two d's).

  7. To search for text within the file, type "/searchterm" (with searchterm being the text you want to search for) in command mode. To repeat the search in the same direction, press "n".

These are just a few basic commands to get you started with vi. There are many more commands and features available in vi, so it's worth investing some time to learn them if you plan to use vi regularly.

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