In/Out Operations

Quit

:q    Quit
:q!   Force quit (without saving)

:qa   Quit all
:qa!  Force quit all (without saving)

Save

:w    Write (save)
:wq   Write Quit (Save and Quit)

:wa   Write all (Save all)

File Explorer

:Explore  This is the built-in file explorer! [171112]

We can also install a plugin, such as NERDTree