Vi Basic Commands

Vi (visual editor) merupakan sebuah default editor dari sebuah UNIX system. ================================================================

Start vi

--------

• vi filename --> edit filename startting di line 1
• vi -r filename --> recover filename yang telah diedit ketika system crash

Exit vi
-------

• :wq --> exit dan save
• :q! --> exit tanpa save

Cursor Movement
---------------

• j --> move down
• h --> move left (backspace)
• k --> move up
• l --> move right (spacebar)
• [return] --> move to the beginning of the next line
• $ --> last column on the current line
• 0 --> move cursor to the first column on the current line
• ^ --> move cursor to first nonblank column on the current                                                    line
• w --> move to the beginning of the next word or                                                                      punctuation mark
• W --> move past the next space
• b --> move to the beginning of the previous word or                                                               punctuation mark
• B --> move to the beginning of the previous word,ignores                                                    punctuation
• e --> end of next word or punctuation mark
• E --> end of next word, ignoring punctuation
• H --> move cursor to the top of the screen
• M --> move cursor to the middle of the screen
• L --> move cursor to the bottom of the screen

Screen Movement
---------------

• G --> move to the last line in the file
• xG --> move to line x
• z+ --> move current line to top of screen
• z --> move current line to the middle of screen
• z- --> move current line to the bottom of screen
• ^F --> move forward one screen
• ^B --> move backward one line
• ^D --> move forward one half screen
• ^U --> move backward one half screen
• ^R --> redraw screen ( does not work with VT100 type                                                             terminals )
• ^L --> redraw screen ( does not work with Televideo                                                                 terminals )

Deleting

--------

• x --> delete character under cursor
• dd --> delete line under cursor
• dw --> delete word under cursor
• db --> delete word before cursor

Inserting

---------

• r --> replace character under cursor with next character                                                      typed
• R --> keep replacing character until [esc] is hit
• i --> insert before cursor
• a --> append after cursor
• A --> append at end of line
• O --> open line above cursor and enter append mode

Copy & Paste Text
------------------

• yy --> copy (yank, cut) the current line into the buffer
• Nyy or yNy --> copy the next N lines, inc the current line, into the                                                      buffer
• p --> paste the line(s) in the buffer into the text after the                                                      current line

Find Commands
----------------

• ? --> finds a word going backwards
• / --> finds a word going forwards
• f --> finds a character on the line under the cursor going                                                      forward
• F --> finds a character on the line under the cursor going                                                      backwards
• t --> find a character on the current line going forward                                                      and stop one character before it
• T --> find a character on the current line going backward                                                      and stop one character before it
• ; --> repeat last f, F, t, T

Miscellaneous Commands
--------------------------

• . --> repeat last command
• u --> undoes last command issued
• U --> undoes all commands on one line
• xp --> deletes first character and inserts after second                                                             (swap)
• J --> join current line with the next line
• ^G --> display current line number
• % --> if at one parenthesis, will jump to its mate
• mx --> mark current line with character x
• 'x --> find line marked with character x

Note: Marks are internal and not written to file.


Moving
-----------

• :# --> move to line #
• :$ --> move to last line of file

Line Editor Mode
------------------

• To enter: type ':'
• To exit : press [return] or [esc]