Linuxteaching
Some useful commands used with the control key are below;
- CTRL+d: Half screen move forward.
- CTRL+f: One full screen move forward.
- CTRL+u: Half screen move backward.
- CTRL+b: One full screen move backward.
- CTRL+e: Move up screen one line.
- CTRL+y: Move down screen one line.
- CTRL+l: Redraws Screen.
- What are vi commands?
- What is vi editor explain any five commands of vi editor?
- How do I use vi in Linux?
- What are the three modes of VI editor?
- How do you find VI?
- How do I insert words into Vi?
- What is difference between yank and delete?
- What are the features of vi editor?
- What is the use of VI editor in Linux?
- How do you copy and paste lines in vi?
- How do I open and edit a file in Linux?
- How do I edit a file in Linux VI?
What are vi commands?
VI Editing commands
- i - Insert at cursor (goes into insert mode)
- a - Write after cursor (goes into insert mode)
- A - Write at the end of line (goes into insert mode)
- ESC - Terminate insert mode.
- u - Undo last change.
- U - Undo all changes to the entire line.
- o - Open a new line (goes into insert mode)
- dd - Delete line.
What is vi editor explain any five commands of vi editor?
Now, type :wq and press enter. It will save and quit vi. Type :wq to save and exit the file. Look at the above snapshot, command :wq will save and quit the vi editor.
...
exit vi table:
| Commands | Action |
|---|---|
| :w fname | Save as fname |
| ZZ | Save and quit |
| :q! | Quit discarding changes made |
| :w! | Save (and write to non-writable file) |
How do I use vi in Linux?
- To enter vi, type: vi filename <Return>
- To enter insert mode, type: i.
- Type in the text: This is easy.
- To leave insert mode and return to command mode, press: <Esc>
- In command mode, save changes and exit vi by typing: :wq <Return> You are back at the Unix prompt.
What are the three modes of VI editor?
The three modes of vi are:
- Command mode: in this mode, you can open or create files, specify cursor position and editing command, save or quit your work�. Press Esc key to return to Command mode.
- Entry mode. ...
- Last-Line mode: when in Command mode, type a �:� to go into the Last-Line mode.
How do you find VI?
Finding a Character String
To find a character string, type / followed by the string you want to search for, and then press Return. vi positions the cursor at the next occurrence of the string. For example, to find the string “meta,” type /meta followed by Return.
How do I insert words into Vi?
To enter Insert mode, press i . In Insert mode, you can enter text, use the Enter key to go to a new line, use the arrow keys to navigate text, and use vi as a free-form text editor. To return to Command mode, press the Esc key once.
What is difference between yank and delete?
Just as dd.… Deletes a line and yw yanks a word,…y( yanks a sentence, y yanks a paragraph and so on.… The y command is just like d in that it puts the text into the buffer.
What are the features of vi editor?
The vi editor has three modes, command mode, insert mode and command line mode.
- Command mode: letters or sequence of letters interactively command vi. ...
- Insert mode: Text is inserted. ...
- Command line mode: One enters this mode by typing ":" which puts the command line entry at the foot of the screen.
What is the use of VI editor in Linux?
The default editor that comes with the UNIX operating system is called vi (visual editor). Using vi editor, we can edit an existing file or create a new file from scratch. we can also use this editor to just read a text file. Command Mode: When vi starts up, it is in Command Mode.
How do you copy and paste lines in vi?
Copying lines into a buffer
- Press the ESC key to be sure you are in vi Command mode.
- Place the cursor on the line you wish to copy.
- Type yy to copy the line.
- Move the cursor to the place you wish to insert the copied line.
How do I open and edit a file in Linux?
Edit the file with vim:
- Open the file in vim with the command "vim". ...
- Type "/" and then the name of the value you would like to edit and press Enter to search for the value in the file. ...
- Type "i" to enter insert mode.
- Modify the value that you would like to change using the arrow keys on your keyboard.
How do I edit a file in Linux VI?
Work
- Introduction.
- 1Select the file by typing vi index. ...
- 2Use the arrow keys to move the cursor to the part of the file you want to change.
- 3Use the i command to enter Insert mode.
- 4Use the Delete key and the letters on the keyboard to make the correction.
- 5Press the Esc key to get back to Normal mode.
