How to make shortcut for :tabnew, :tabn, :tabp?
you can add the following code in to the ~/.vimrc file and navigate through the tabs every easily.
nnoremap th :tabfirst<CR>
nnoremap tj :tabnext<CR>
nnoremap tk :tabprev<CR>
nnoremap tl :tablast<CR>
nnoremap tt :tabedit<Space>
nnoremap tn :tabnext<Space>
nnoremap tm :tabm<Space>
nnoremap td :tabclose<CR>
Use cabbrev:
ca tn tabnew
ca th tabp
ca tl tabn