This is vi
version 3.6 taken from 4.0BSD.
It had been released in November 1980.
The software is downloaded with
git clone https://github.com/n-t-roff/ex-3.6.git
and can be kept up-to-date with
git pull
Some configuration (e.g. installation paths) can be done in the
makefile
.
For compiling on BSD, Linux and Solaris autoconfiguration is required:
$ ./configure
The software is build with
$ make
and installed with
$ su
# make install
# exit
All generated files are removed with
$ make distclean