Linux VI Basic Operations

Under Linux, you can type the Vimtutor command with a vim tutorial that includes the actual operation.

three command modes in 1.VI
1) command (command) mode, for entering commands;
2) Insert (insert) mode for inserting text;
3) Visual (visual) mode, used to highlight and select the body of the visualization;

2. File Save and Exit
2.1): W save;
2.2): W filename saved as filename;
2.3): wq! Save exit;
2.4): wq! FileName Note: The filename is saved and then exited;
2.5): q! Do not save the exit;
2.6): X should be saved and exited, function and: wq! same

3. Cursor Movement
3.1) j Move down one line;
3.2) k move up one line;

3.3) h move one character to the left;
3.4) L move one character to the right;

3.5) ctrl+b Move up one screen;
3.6) ctrl+f Move down one screen;

3.7) Upward arrow to move upward;
3.8) down ARROW to move down;
3.9) left Arrow moves left;
3.10) Right arrow move right;

3.11) $ move to end of line
3.12) GG move to document start
3.13) GG move to document trailer
3.14) Ctrl + F page forward
3.15) Ctrl + B page Backward

4. Insert Mode
4.1) I insert before the cursor;
4.2) A is inserted after the cursor;

4.3) I insert at the beginning of the line where the cursor is located;
4.4) A is inserted at the end of the line where the cursor is located;

4.5) O Insert a row above the line where the cursor is located;
4.6) o insert a row below the line where the cursor is located;

4.7) s Deletes a character after the cursor and then enters insert mode;
4.8) S deletes the line where the cursor is located and then enters insert mode;

5. Deletion of text content
5.1) x a character;
5.2) #x Delete several characters, #表示数字, such as 3x;
5.3) DW Deletes a word;
5.4) #dw Delete a few words, #用数字表示, such as 3DW means delete three words;
5.5) dd deletes a row;
5.6) #dd Delete more than one row, #代表数字, such as 3dd means to delete the cursor line and the next two lines of the cursor;
5.7) d$ Delete the contents of the cursor to the end of the line;
5.8) J Clears the space between the line where the cursor is located and the previous line, and the line of the cursor and the previous line are joined together;

6. Restore and restore the deletion
6.1) U undo Modify or delete operation;

7. Visual Mode
Visual mode is provided by VIM, VI has no visual mode, if we want to type VI ***.txt call VIM, you can enter the following command:
echo Alias Vi=vim >>/etc/profile
The next time you log in, use the VI command to open the file and call vim directly.

8. Copying and pasting
8.1) YY Copy as Forward
8.2) #yy Copy multiple lines, #用数字表示, such as 3yy means to copy three rows;
8.3) If in visual mode, Y can copy the selected content

8.4) p Paste after the cursor
8.5) SHIFT + P is pasted before the cursor

9. Find and replace
9.1)/search Note: Forward lookup, press the N key to move the cursor to the next qualifying place;
9.2)? Search Note: Reverse lookup, press the Shift+n key to move the cursor to the next eligible

9.3): s/search/replace/g Note: Replace the search word in the row where the current cursor is in, and highlight all search;
9.4):%s/search/replace Note: Replace all the SEARCH in the document with a replace;
9.5): #,# s/search/replace/g Note: The # number indicates the number of lines to how many lines, the SEARCH is replaced with replace;

Linux VI Basic Operations