vim set tab size to 2 spaces code example

Example 1: vim set tab size

:set tabstop=2 shiftwidth=2 expandtab
:retab

# tabstop		-> Indentation width in spaces
# shiftwidth	-> Autoindentation width in spaces
# expandtab		-> Use actual spaces instead of tabs
# retab			-> Convert existing tabs to spaces

Example 2: vim tab 2 spaces

set smartindent
set tabstop=2
set expandtab
set shiftwidth=2