OpenBSD
The OpenBSD project produces a FREE, multi-platform 4.4BSD-based UNIX-like operating system. Our efforts emphasize portability, standardization, correctness, proactive security and …
OpenBSD FAQ: Installation Guide
The OpenBSD installer uses a special ramdisk kernel (bsd.rd) that spawns a live environment running entirely in memory. It contains the install script and a small number of utilities needed …
OpenBSD Frequently Asked Questions
Oct 22, 2025 · This FAQ is supplemental documentation to the man pages, which are available both in the installed system and online. It covers the latest release of OpenBSD. There are …
OpenBSD FAQ: Introduction to OpenBSD
OpenBSD is a full-featured UNIX-like operating system available in source and binary form at no charge. OpenBSD integrates cutting-edge security technology suitable for building firewalls …
OpenBSD 7.5
What's New This is a partial list of new features and systems included in OpenBSD 7.5. For a comprehensive list, see the changelog leading to 7.5. Various kernel improvements: Added bt …
OpenBSD Platforms
Explore supported hardware platforms for OpenBSD with detailed information on compatibility and system requirements.
OpenBSD: Security
To ensure that novice users of OpenBSD do not need to become security experts overnight (a viewpoint which other vendors seem to have), we ship the operating system in a Secure by …
OpenBSD Mirrors
Consult the installation guide for details. Choose a mirror near you from the following list of HTTP (s), FTP and rsync mirrors which provide OpenBSD. See below for the directory layout of …
Index of /pub/OpenBSD/
Apr 13, 2025 · Official OpenBSD repository for accessing and downloading files related to the OpenBSD operating system.
OpenBSD 6.1
Quick installer information for people familiar with OpenBSD, and the use of the " disklabel -E" command. If you are at all confused when installing OpenBSD, read the relevant INSTALL.* …