.vimrc

set number
syntax on
set mouse=a
set softtabstop=4
set tabstop=4       " The width of a TAB is set to 4.
                    " Still it is a \t. It is just that
                    " Vim will interpret it to be having
                    " a width of 4.
set shiftwidth=4    " Indents will have a width of 4
set softtabstop=4   " Sets the number of columns for a TAB
set expandtab       " Expand TABs to spaces
set smartindent
filetype plugin indent on
:au FocusLost * silent! wa

For when I type it on a exam computer out of memory

set number
syntax on
set mouse=a
set smartindent

For my extentions, git diff, bad wolf and NerdTree

autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
map <C-T> :NERDTreeToggle<CR> 
" NOTE CONTROL+T does something else 
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif
let g:badwolf_darkgutter = 1