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The vi editor is a command-line editor that has three basic modes of operation:
➊ Command mode
➋ Edit mode
➌ Last line mode
➟ i – Inserts text before the cursor
➟ o – Opens a new blank line below the cursor
➟ a – Appends text after the cursor
Switching Between the Command and Edit Modes
The following example shows how to switch modes in the vi editor:
1. Perform the vi filename command to create a file. You are
automatically in the command mode.
2. Type the i command to insert text. The i command switches the vi editor to the edit mode.
3. Press Escape to return to the command mode.
4. Perform the :wq command to save the file and exit the vi editor.
Inserting and Appending Text
➟ a - Appends text after the cursor
➟ A - Appends text at the end of the line
➟ i - Inserts text before the cursor
➟ I - Inserts text at the beginning of the line
➟ o - Opens a new line below the cursor
➟ O - Opens a new line above the cursor
➟:r -filename Inserts text from another file into the current file
Moving the Cursor Within the vi Editor
➟ h,left arrow,or Backspace - Left one character
➟ j or down arrow - Down one line
➟ k or up arrow - Up one linel,
➟ right arrow,or space bar - Right (forward) one character
➟ w - Forward one word
➟ b - Back one word
➟ e - To the end of the current word
➟ $ - To the end of the line
➟ 0 (zero) - To the beginning of the line
➟ Return Down - to the beginning of the next line
➟ G - Goes to the last line of the file
➟ 1G - Goes to the first line of the file
➟ :n - Goes to Line n
➟ nG - Goes to Line n
➟ Control-F - forward one screen
➟Control-D - Scrolls down one-half screen
➟Control-B - Pages back one screen
➟Control-U - Scrolls up one-half screen
➟Control-L - Refreshes the screen
➟Control-G - Displays current buffer information
Editing Files by Using the vi Editing Commands
➟ x - Deletes a character at the cursor.
➟ dw - Deletes a word
➟ dd - Deletes the line
➟:n,nd - Deletes Lines n –n
Using the Text-Replacing Commands
➟ /string - Searches forward for the string.
➟ ?string - Searches backward for the string.
➟ n - Searches for the next occurrence.
➟ N - Searches for the previous occurrence of the string.
Using the Text-Copying and Text-Pasting Commands
➟yy :- Yanks a copy of a line
➟p :- Puts yanked or deleted text under the line containing
the cursor.
➟P :- Puts yanked or deleted text before the line containing
the cursor
Using the File Save and Quit Commands
➟:w :- Saves the file with changes by writing to the disk
➟:w new_filename :- Writes the contents of the buffer to new_filename
➟:wq :- Saves the file with changes and quits the vi editor
➟:x :- Saves the file with changes and quits the vi editor
➟ZZ :- Saves the file with changes and quits the vi editor
➟:q! :- Quits without saving changes
Summery
Search Functions Move and Insert Text
/exp Go forward to exp :3,8d Delete line 3-8
?exp Go backward to exp :4,9m 12 Move lines 4-9 to 12
:2,5t 13 Copy lines 2-5 to 13
Save Files and Exit :5,9w file Write lines 5-9 to file
:w Write to disk
:w newfile Write to newfile Screen/Line Movement
:w! file Write absolutely j Move cursor down
:wq Write and quit k Move cursor up
:q Quit editor h Move cursor left
:q! Quit and discard l Move cursor right
0 Go to line start (zero)
Word Movement $ Go to line end
w Go forward 1 word G Go to last file line
b Go backward 1 word
Delete Text Add/Append Text
x Delete 1 character a Append after cursor
dw Delete 1 word A Append at line end
dd Delete 1 line i Insert before cursor
D Delete to end of line 5i Insert text 5 times
d0 Delete to start of line I Insert at beginning of line
dG Delete to end of file
Copy and Insert Text Add New Lines
Y Yank a copy o Open a line below cursor
5Y Yank a copy of 5 lines O Open a line above cursor
p Put below cursor
P Put above cursor
➊ Command mode
➋ Edit mode
➌ Last line mode
➊ Command mode :- The command mode is the default mode for the vi editor. In this mode, you can perform commands to delete, change, copy, and move text. You can also position the cursor, search for text strings, and exit the vi editor.
➋ Edit mode :- You can enter text into a file in the edit mode. The vi editor interprets everything you type in the edit mode as text. To enter the edit mode,
perform the commands:
perform the commands:
➟ i – Inserts text before the cursor
➟ o – Opens a new blank line below the cursor
➟ a – Appends text after the cursor
➌ Last Line Mode :- You can use advanced editing commands in the last line mode. To access the last line mode, enter a colon (:) while in the command mode. The colon places your cursor at the bottom line of the screen.
Switching Between the Command and Edit Modes
The default mode for the vi editor is the command mode. When you perform an i, o, or (a) command, the vi editor switches to the edit mode. After editing a file, press Escape to return the vi editor to the command mode. When in the command mode, you can save the file and quit the vi editor.
The following example shows how to switch modes in the vi editor:
1. Perform the vi filename command to create a file. You are
automatically in the command mode.
2. Type the i command to insert text. The i command switches the vi editor to the edit mode.
3. Press Escape to return to the command mode.
4. Perform the :wq command to save the file and exit the vi editor.
Inserting and Appending Text
➟ a - Appends text after the cursor
➟ A - Appends text at the end of the line
➟ i - Inserts text before the cursor
➟ I - Inserts text at the beginning of the line
➟ o - Opens a new line below the cursor
➟ O - Opens a new line above the cursor
➟:r -filename Inserts text from another file into the current file
Moving the Cursor Within the vi Editor
➟ h,left arrow,or Backspace - Left one character
➟ j or down arrow - Down one line
➟ k or up arrow - Up one linel,
➟ right arrow,or space bar - Right (forward) one character
➟ w - Forward one word
➟ b - Back one word
➟ e - To the end of the current word
➟ $ - To the end of the line
➟ 0 (zero) - To the beginning of the line
➟ Return Down - to the beginning of the next line
➟ G - Goes to the last line of the file
➟ 1G - Goes to the first line of the file
➟ :n - Goes to Line n
➟ nG - Goes to Line n
➟ Control-F - forward one screen
➟Control-D - Scrolls down one-half screen
➟Control-B - Pages back one screen
➟Control-U - Scrolls up one-half screen
➟Control-L - Refreshes the screen
➟Control-G - Displays current buffer information
Editing Files by Using the vi Editing Commands
➟ x - Deletes a character at the cursor.
➟ dw - Deletes a word
➟ dd - Deletes the line
➟:n,nd - Deletes Lines n –n
Using the Text-Replacing Commands
➟ /string - Searches forward for the string.
➟ ?string - Searches backward for the string.
➟ n - Searches for the next occurrence.
➟ N - Searches for the previous occurrence of the string.
Using the Text-Copying and Text-Pasting Commands
➟yy :- Yanks a copy of a line
➟p :- Puts yanked or deleted text under the line containing
the cursor.
➟P :- Puts yanked or deleted text before the line containing
the cursor
Using the File Save and Quit Commands
➟:w :- Saves the file with changes by writing to the disk
➟:w new_filename :- Writes the contents of the buffer to new_filename
➟:wq :- Saves the file with changes and quits the vi editor
➟:x :- Saves the file with changes and quits the vi editor
➟ZZ :- Saves the file with changes and quits the vi editor
➟:q! :- Quits without saving changes
Summery
Search Functions Move and Insert Text
/exp Go forward to exp :3,8d Delete line 3-8
?exp Go backward to exp :4,9m 12 Move lines 4-9 to 12
:2,5t 13 Copy lines 2-5 to 13
Save Files and Exit :5,9w file Write lines 5-9 to file
:w Write to disk
:w newfile Write to newfile Screen/Line Movement
:w! file Write absolutely j Move cursor down
:wq Write and quit k Move cursor up
:q Quit editor h Move cursor left
:q! Quit and discard l Move cursor right
0 Go to line start (zero)
Word Movement $ Go to line end
w Go forward 1 word G Go to last file line
b Go backward 1 word
Delete Text Add/Append Text
x Delete 1 character a Append after cursor
dw Delete 1 word A Append at line end
dd Delete 1 line i Insert before cursor
D Delete to end of line 5i Insert text 5 times
d0 Delete to start of line I Insert at beginning of line
dG Delete to end of file
Copy and Insert Text Add New Lines
Y Yank a copy o Open a line below cursor
5Y Yank a copy of 5 lines O Open a line above cursor
p Put below cursor
P Put above cursor
Posted in: Solaris OS
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