Three!
It's more like 8.
Xenix 2.2 I believe. With names such as Graphics interface guide, Text processing guide, C programming guide etc. But there might actually be three headlined User Guide....
Hi! I'm about to throw away a shelf meter or so of SCO system V official documentation.
The original beige binders. I'm not sure if there is a shortage of these old books, but if anyone near...