editing files

[Jude DaShiell]

A real simple editor to use in Linux is ed, and if you want all the power 
of vim and want a line-oriented environment by default, just start it up 
but run the command ex which is one of its aliases.  If you start with ed, 
ed will be a subset of vi, and vi is a subset of ex or at least it was 
about 14 years ago according to unix tutorial material I was using at that 
time.