Subject: Re: How do you use vi in simh vax netbsd?
To: Shengchao Li <lish@ee.eng.ohio-state.edu>
From: John Klos <john@sixgirls.org>
List: port-vax
Date: 04/04/2002 17:46:16 
> no export command:

> : {7} export XTERM=vt100
> export: Command not found.
> : {8}

So that means you're probably running csh instead of sh. This should work:
sh
export TERM=vt100
vi whatever...