[Newbies] Plain file editing

[itsme213]

> to shuffle around
> bits of text or jump from one window frame to another using familiar
> keyboard commands - well for me it's like coming to the surface of the
> water and being able to breathe again ;)

This sounds like manna from heaven ...

I tried loading SVI and got:
This package depends on the following classes:
  CommandHistory

Any idea where I find that? It does not tell me which other package to 
install, and there is no package called CommandHistory.

Thank you !!