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>I think vi is probably more ubiquitous though,

As I mentioned below, While it may be more ubiquitous, vi isn't present on Debian's live cd, while nano is.

That's odd, considering vi is part of the POSIX specification and all. Many distributions won't come with full vim by default, but most do install a trimmed version of it to fulfil the role of vi.

I know how to get out of it, and also how to get into insert mode and make the most elementary of changes. I tried going further but it just doesn't mesh with whatever form of memory I have installed in my brain :-D

All I care to know of vim is how to exit it...