On 9/7/22 00:13, Alejandro Colomar wrote:
I've seen sporadically references to the numbers as chapters, probably
from when the manual was a proper book, but that term seems to have
fallen in use.
Unix Programmer's Manual (4.2 BSD) August, 1983
Volume 1
Chapter I: Commands: intro, adb, ...
Chapter II: System calls: intro, accept, access, ...
Chapter III: Subroutines: intro, abort, abs, ...
Chapter IV: Special files: intro, acc, ...
Chapter V: File formats and conventions: a.out, ...
Chapter VI: Games: aardvark, adventure, ...
Chapter VII: Macro packages and language conventions: intro, ascii, ...
Chapter VIII: Maintenance commands and procedures: intro, ac, ...
Seventh Edition, January, 1979
Volume 2A
1 and 2: General Works
3 through 7: Getting Started
8 through 13: Document Preparation
14 through 18: Programming
Volume 2B:
19 through 28: Supporting Tools and Languages
29 through 38: Implementation, Maintenance and Miscellaneous
...
Volume 1 had chapters. The later volumes had numbered documents.