Vim

file

:e file

:w

:buffers

:bn

:bdelete

:q

:x

move

gg first line

G last line

Ctrl + f / b page

^ / $ line

w / b word

f ; character

% parenthesis

search

:%s/foo/bar/gc

window

:sp

:vs

:close

Ctrl + w w

.vimrc

syntax on

autocmd FileType python setl tabstop=4 shiftwidth=4 expandtab

autocmd FileType ruby setl tabstop=2 shiftwidth=2 expandtab

autocmd FileType eruby setl tabstop=2 shiftwidth=2 expandtab