VIM: Tips and Tricks

1 Appearance

`:set ruler`	Show the current line and column number.
`:set showmode`	Show the current mode (e.g., insert mode, replace mode, and command mode).
`:syntax on`	Enable color syntax highlighting.

2 Editing

`:s/old/new`	Substitute the next occurence of "old" with "new".
`:s/old/new/g`	Substitute all occurence of "old" on the current line with "new".
`:%s/old/new/g`	Substitute all occurence of "old" with "new".
`:set autoindent`	Automatically indent lines.
`r`	Replace the highlighted character.
`x`	Delete the highlighted character.

3 Files

:set writebackup Automatically create a backup of the file before saving. (The backup will have the same name as the original file but with a ~ character appended.)