I would just like to say that Figure 2.1 in
the learning the VI editor

This is the link(/vi/figs/vi_60201.gif)
from the page /vi/ch02_02.htm.

There is no file with /vi/figs/vi_60201.gif this
name in that directory. There are :
vi_60202
vi_60203
vi_60204

Hope this feedback can be of use