nano

Open nano and jump to a line number 13:

nano +13 file.sh

add mouse support, line numbers and $oft word wrap:

nano -lm$ +13 file.sh

Make permanent in config file

~/.nanorc

set linenumbers 
set autoindent
set mouse
set softwrap
set titlecolor green,black
set statuscolor cyan
set keycolor magenta
set functioncolor cyan
set numbercolor cyan