VIM

Vim which stands for Vi Improved is a text editor program for Unix authored by Bram Moolenaar.

Search/Replace Options

Command	Description
`/findme`	Search for the word "findme"
`n`	Move to the next occurrence of the word "findme"
`:s/search/replace/g`	Replace the word "search" with "replace" globally on the current line
`:%s/search/replace/g`	Replace the word "search" with "replace" globally on all lines

Moving Around Options

Command	Description
`h`	Move one character left
`j`	Move one character down
`k`	Move one character up
`l`	Move one character right
`0`	Move to the beginning of the current line
`$`	Move to the end of the current line

Insert Commands

Command	Description
`i`	Insert at the current character
`I`	Insert at the beginning of the current line
`o`	Insert a new line following the current line
`O`	Insert a new line before the current line

Delete Commands

Command	Description
`x`	Delete the current character (under the cursor)
`u`	Undo deletion
`dd`	Delete the current line
`10dd`	Delete 10 lines
`dw`	Delete from the current cursor to the end of the word
`d5w`	Delete 5 words

Copy/Paste Commands

Command	Description
`yy`	Yank (copy) the current line
`5yy`	Yank (copy) 5 lines
`p`	Paste to the right
`P`	Paste to the left

" put this in your .vimrc file and make your life easier
set tabstop=2               " number of visual spaces per TAB
set softtabstop=2           " number of spaces in tab when editing
set expandtab               " tabs are spaces
set number                  " always show line numbers
set showcmd	            " show command in bottom bar right
" filetype indent on 	    " load filetype spefific indent files
set showmatch		    " highlight matching [{()}]
set ruler                   " show file stats / show the cursor position all the time
set visualbell              " blink cursor on error instead of beeping
syntax on                   " turn on syntax highlighting
set showmode                " show current mode down the bottom
set mouse=a                 " enable mouse in all modes

References:
D. B. (2002, May 28). Vi/vim notes. Retrieved from http://www.brezeale.com/technical_notes/vim_notes.shtml
(n.d.). Retrieved from http://www.rayninfo.co.uk/vimtips.html