The Section 7 manuals a great. It's worth perusing the list man -s 7 -k '' and reading through the ones that catch your fancy. Some that I like: ascii(7),

The Section 7 manuals a great. It's worth perusing the list man -s 7 -k '' and reading through the ones that catch your fancy. Some that I like: ascii(7), boot(7), and standards(7). Section 5 also has some gems: elf(5), termcap(5), etc.