A simple vim

.vimrc

set nocompatible " must be the first line
filetype on
filetype indent on
filetype plugin on
set nowrap
set laststatus=2
set statusline=%<%f\%h%m%r%=%-20.(line=%l\ \ col=%c%V\ \ totlin=%L%)\ \ \%h%m%r%=%-40(bytval=0x%B,%n%Y%)\%P
set ofu=syntaxcomplete#Complete
" Above is SSH compatibility fixes

" Use arrows to traverse line endings
set whichwrap+=<,>,[,]

" Start in Insert Mode
au BufRead,BufNewFile * start

" Map CTRL+S to save
nnoremap <c-s> :w<cr>
inoremap <c-s> <Esc>:w<cr>I

" Map CTRL+Q to save and quit
nnoremap <c-q> :wq<cr>
inoremap <c-q> <Esc>:wq<cr>

" Autoreload after 4s inactivity.
set autoread
au CursorHold,CursorHoldI * checktime

" Show line numbers
set number

" Make backspace always work in Insert mode
set backspace=indent,eol,start

Nano is currently unuseable across ssh on TinyCoreLinux. Some issues with readline.

However, with a few tweaks, vim can fit, and be fairly nice.