Editors (Vim)


Lesson 1 SUMMARY

  • The cursor is moved using either the arrow keys or the hjkl keys.

    • h (left) j (down) k (up) l (right)

  • To start Vim from the shell prompt type: vim FILENAME

  • To exit Vim type:

    • :q! to trash all changes. OR type:

    • :wq to save the changes.

  • To delete the character at the cursor type: x

  • To insert or append text type:

    • i insert before the cursor

    • A append after the line

NOTE: Pressing <ESC> will place you in Normal mode or will cancel an unwanted and partially completed command.

Lesson 2 SUMMARY

  • To delete from the cursor up to the next word type: dw

  • To delete from the cursor to the end of a line type: d$

  • To delete a whole line type: dd

  • To repeat a motion prepend it with a number: 2w

  • The format for a change command is: operator [number] motion

    • where: operator - is what to do, such as d for delete

    • [number] - is an optional count to repeat the motion

    • motion - moves over the text to operate on, such as w (word), $ (to the end of line), etc.

  • To move to the start of the line use a zero: 0

  • To undo previous actions, type: u (lowercase u)

  • To undo all the changes on a line, type: U (capital U)

  • To undo the undo's, type: CTRL-R

Lesson 3 SUMMARY

  • To put back text that has just been deleted, type p. This puts the deleted text AFTER the cursor (if a line was deleted it will go on the line below the cursor).

  • To replace the character under the cursor, type r and then the character you want to have there.

  • The change operator allows you to change from the cursor to where the motion takes you. e.g. Type ce to change from the cursor to the end of the word, c$ to change to the end of a line.

  • The format for change is: c [number] motion

Lesson 4 SUMMARY

  • CTRL-G displays your location in the file and the file status.

    • G moves to the end of the file.

    • number G moves to that line number.

    • gg moves to the first line.

  • After a search type n to find the next occurrence in the same direction or N to search in the opposite direction. CTRL-O takes you back to older positions, CTRL-I to newer positions.

    • Typing / followed by a phrase searches FORWARD for the phrase.

    • Typing ? followed by a phrase searches BACKWARD for the phrase.

  • Typing % while the cursor is on a (,),[,],{, or } goes to its match.



To substitute new for the first old in a line


To substitute new for all 'old's on a line


To substitute phrases between two line #'s


To substitute all occurrences in the file


To ask for confirmation each time add 'c'


Lesson 5 SUMMARY

  • :!command executes an external command.

Some useful examples are:





shows a directory listing



removes file FILENAME

  • :w FILENAME writes the current Vim file to disk with name FILENAME.

  • v motion :w FILENAME saves the Visually selected lines in file FILENAME.

  • :r FILENAME retrieves disk file FILENAME and puts it below the cursor position.

  • :r !dir reads the output of the dir command and puts it below the cursor position.

Lesson 6 SUMMARY

  • Type o to open a line BELOW the cursor and start Insert mode.

  • Type O to open a line ABOVE the cursor.

  • Type a to insert text AFTER the cursor.

  • Type A to insert text after the end of the line.

  • The e command moves to the end of a word.

  • The y operator yanks (copies) text, p puts (pastes) it.

  • Typing a capital R enters Replace mode until <ESC> is pressed.

  • Typing ":set xxx" sets the option "xxx". Some options are:

    • 'ic' 'ignorecase' ignore upper/lower case when searching

    • 'is' 'incsearch' show partial matches for a search phrase

    • 'hls' 'hlsearch' highlight all matching phrases

    You can either use the long or the short option name.

  • Prepend "no" to switch an option off: :set noic

Lesson 7 SUMMARY

  • Type :help or press <F1> or <HELP> to open a help window.

  • Type :help cmd to find help on cmd.

  • Type CTRL-W CTRL-W to jump to another window.

  • Type :q to close the help window.

  • Create a vimrc startup script to keep your preferred settings.

  • When typing a : command, press CTRL-D to see possible completions. Press <TAB> to use one completion.

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