See [here](https://jeffkreeftmeijer.com/vim-number/)

Line numbering
```plaintext
" on
:set number
:set nu
" off
:set nonumber
:set nonu
" toggle
:set number!
:set nu!
```
Relative numbering
```plaintext
" turn relative line numbers on
:set relativenumber
:set rnu

" turn relative line numbers off
:set norelativenumber
:set nornu

" toggle relative line numbers
:set relativenumber!
:set rnu!
```
## Highlight current line
```plaintext
:set cursorline
```
also
```plaintext
:set cursorcolumn
```
Styling:
```plaintext
:hi CursorLine   cterm=NONE ctermbg=darkred ctermfg=white guibg=darkred guifg=white
:hi CursorColumn cterm=NONE ctermbg=darkred ctermfg=white guibg=darkred guifg=white
```