As a professional sysadmin, my go to reference on this is "Documentation Writing for System Administrators", from the Short Topics in System Administration seri

As a professional sysadmin, my go to reference on this is "Documentation Writing for System Administrators", from the Short Topics in System Administration series. https://www.usenix.org/short-topics/documentation-writing-system-administrators https://www.usenix.org/short-topics/documentation-writing-sy... Also, this talk was very good: https://www.usenix.org/legacy/event/lisa08/tech/gelb_talk.pdf https://www.usenix.org/legacy/event/lisa08/tech/gelb_talk.pd...