Git uses VI or VIM

1, VI & VIM have two modes of operation:

(1) Command mode: Accept, execute VI & VIM Operation command mode, the default mode after opening the file;

(2) Editing mode: The mode of adding, deleting and changing the contents of open files;

#在编辑模式下按下 the ESC key, fallback to command mode.

2. Create and Open file: $ VI [filename]

(1) Use the VI Plus file path (or file name) mode to open the file, if the file exists then open the existing file, if the file does not exist, then create a new file, and the terminal in the bottom line of the display is open.

(2) keyboard input letter "I" or "insert" key into the most commonly used insert editing mode.

3. Save the file:

(1) Edit the file in insert edit mode.

(2) Press "ESC" key, exit edit mode, switch to command mode.

(3) In command mode, type "ZZ" or ": Wq" to save the changes and Exit VI.

(4) If you only want to save the file, type ": w", enter the bottom row to prompt to write the result of the operation, and stay in command mode.

4. Discard all file changes:

(1) Discard all file changes: Press the "ESC" key to enter the command mode, type ": q!" Enter and discard the modification and exit VI.

(2) Discard all file changes, but do not exit VI, that is, fallback to the file opened the last time the state of the save operation, continue to file operations: Press "ESC" key into the command mode, type ": e!", return to command mode.

Git uses VI or VIM