" Set desired colorscheme.
colorscheme desert

" Optional: set 256 color mode
"set termguicolors

" Turn on code syntax highlighting.
syntax on
syntax enable

" Show number lines.
set number

" Tab key uses 4 spaces.
set tabstop=4

" Tab shift with << and >> shows 4 spaces.
set shiftwidth=4

" Automatically indent after new lines.
set autoindent

" Show symbols to indicate tab whitespace.
set list
set listchars=tab:\:.