Documentation
Manuals & documentation.
Start with the guides below. For command and system-call reference, use the online manual pages, also installed with every system.
Guides
Maintained documentation for users and developers.
Getting started
Install OpenBSD and take the first steps.
FAQ
Frequently asked questions, from basics to networking.
PF User's Guide
The complete packet filter guide: NAT, rules, queues.
Porter's Handbook
Work with the ports tree and packages.
Upgrade guide
Move to the latest release step by step.
Following -current
Run and track the development branch.
Reference
Look things up.
Manual pages
Commands, calls, drivers and file formats. External reference.
Reporting bugs
How to file a useful bug report.
Books
Recommended reading on OpenBSD and Unix.
Events & papers
Presentations and publications.