Introduce Linux important VI, VIM editor
1.VI, what VIM IS?
VI, VIM is a text editor under Linux system command line.
Use the command vi filename or vim filename.
2. The three modes
① normal mode (the default mode)
by vi or vim to open the document to enter general mode, this mode is mainly responsible for viewing and some basic pruning
common operations:
| command | Explanation |
|---|---|
| dd | Delete current line cursor |
| dnd | Delete n lines |
| in | Undo the last step |
| x | To delete a letter, similar to the Delete function on the keyboard |
| X | To delete a letter, similar to the keyboard Backspace function |
| yy | Copy the current cursor line |
| p | Stick |
| dw | To delete a word |
| is | Copy a word |
| Shift+g | Move to footer |
| 1+Shift+g | Move to the goal line |
| N+shift+g | Moved to the N-th row |
| Shift+6 | To move the line head |
| Shift+4 | Move to the end of the line |
② edit mode
. In the normal mode the word letter by i, a, o into edit mode, inserted into the bottom left corner [there] To exit the edit mode, press [ESC] key
common operations:
| command | Explanation |
|---|---|
| i | Current cursor before entry |
| a | After the current cursor entry |
| O | The next line of the current cursor row entry |
| I | The first line of entry |
| A | End of the line entry |
| O | Entry on the current line of the cursor line |
③ command mode
input in the normal mode / or: command mode, the command save mode may be used to exit the VIM, line numbers, search, replace, etc. bulk.
Common operations:
| command | Explanation |
|---|---|
| :w | Storage |
| :q | drop out |
| :! | Enforcement |
| :%/s/old/new | Batch Replace |
| / To find the word | Searches, a look - n, N lookup on a |
| : Not set | Show Line Numbers |
| :set nonu | Close line number |
| noh | Cancel Highlight |
3. The relationship between the three switching modes
4.VI, VIM keyboard map
