The OpenBSD project produces a FREE, multi-platform 4.4BSD-based UNIX-like operating system. Our efforts emphasize portability, standardization, correctness, proactive security and integrated cryptography. OpenBSD supports binary emulation of most programs from SVR4 (Solaris), FreeBSD, Linux, BSD/OS, SunOS and HP-UX.
Below are some reasons why we think OpenBSD is a useful operating system. Whether OpenBSD is right for you is a question that only you can answer.
* OpenBSD runs on many different hardware platforms.
* OpenBSD is thought of by many security professionals as the most secure UNIX-like operating system, as the result of a never-ending comprehensive source code security audit.
* OpenBSD is a full-featured UNIX-like operating system available in source form at no charge.
* OpenBSD integrates cutting-edge security technology suitable for building firewalls and private network services in a distributed environment.
* OpenBSD benefits from strong ongoing development in many areas, offering opportunities to work with emerging technologies with an international community of programmers and end-users.
* OpenBSD attempts to minimize the need for customization and tweaking. For the vast majority of users, OpenBSD "Just Works" on their hardware for their application. Not only is tweaking and customizing rarely needed, it is actively discouraged.
As part of the OpenBSD development a number of great software solutions is also used on other systems e.g. OpenSSH, OpenBGPD, OpenOSPFD, OpenSMTPD, OpenNTPD, OpenCVS, tmux and mandoc.
OpenBSD is an excellent OS for servers, appliances and network equipment. When you start to appreciate the security, stability and simplicity you may be tempted to try this OS as a desktop environment which turns out to be a very pleasant experience as well. Examples of window managers in OpenBSD 5.2 are GNOME 3.4.2, KDE 3.5.10 and Xfce 4.10.
See ported software on http://openports.se.
Get started on http://www.openbsd.org/faq/index.html.
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