Without any plugins, I am able to autocomplete :vsp filena<tab>
I wonder why I don't get autocompletion of filenames with :o
. I have tried this in different installations, terminals and OS.
Vi and Vim Stack Exchange is a question and answer site for people using the vi and Vim families of text editors. It only takes a minute to sign up.
Sign up to join this community:o[pen]
comes from Vi. It's intended to support so called "open mode" which is no-op in Vim. You should use :e[dit]
instead.