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OSdata.com: OpenBSD 




    OpenBSD is a free version of UNIX that runs on Intel/Cyrix/AMD Pentium, Intel 80486, Intel 80386, Motorola/IBM PowerPC, Motorola 680x0, Sun SPARC, HP PA-RISC, DEC VAX, and ARM.


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Intended purpose

server/mainframe: small to large scale servers

desktop/workstation: workstations (for those with UNIX familiarity)

handheld: not appropriate

real time: not appropriate

    “OpenBSD’s primary focus is on correctness and security.” —“Microsoft Windows NT Server 4.0 versus UNIX”w51

Kind of OS: open source BSD (Berkeley Software Distribution) UNIX

    “Technically, Windows NT Server 4.0 is no match for any UNIX operating system, not even the non-commercial BSDs [FreeBSD, NetBSD, OpenBSD] or Linux.” —John Kirchw51

Release Date:

Current Version:

Cost: freew21

    “For the most cost-conscious customer, Linux, FreeBSD, NetBSD, or OpenBSD would be the obvious choices. They cost nothing, yet they are just as stable and offer as much functionality as, if not more than, the commercial UNIX operating systems.” —“Microsoft Windows NT Server 4.0 versus UNIX”w51

Hardware Supported: Intel/Cyrix/AMD Pentiumw20, 80486w20, 80386w20, 68040w20, Sun SPARCw20, SGI MIPSw20, DEC Alphaw20, HP PA-RISCw20

    680x0 assembly language is discussed in the assembly language section.

Maximum Number of Processors:

Number of bits:


POSIX: compatible


File Systems Supported:

Other Systems Emulated:

Graphics Engine:

Text Command Shell: UNIX shells

User Interface (graphic):

Graphic Command Shell:

Disabled support:

Internet Services:

Application Programs:




references within this web site

(for your convenience, look for this symbol marking passages about OpenBSD)

further reading: web sites

Please send recommendations on additional URLs to Milo.

official web sites


    http://www.openbsd.org/plat.html: Platforms currently supported


(Frequently Asked Questions)


    http://cynjut.neonramp.com/FAQ.html “The *BSD FAQ (Frequently Asked Questions)”

user group web sites

other related web sites

    http://www.monkey.org/openbsd-mobile/ “OpenBSD-Mobile: OpenBSD laptop configuration site & OpenBSD-mobile mailing list archive.”

    http://www.toolbuilders.com/dvk/laptop/ “Toshiba Satellite Pro 440 CDT: Welcome to my OpenBSD website. This page describes everything you need to know to run OpenBSD 2.6 on Toshiba 440 laptop.”

    http://www.nomoa.com/bsd/index.html “NoMoa.com — OpenBSD Guides: Networking your computers is a big task and networking software can be very expensive to purchase install, configure, and maintain. OpenBSD and the Open Source movement provides an opportunity to acquire quality system software for configuring your network and these pages document how we were able to configure OpenBSD to work for us.”

    http://auntfloyd.com/rob/comp/openbsd/ “Adventures with OpenBSD: On this page, I hope to detail my experiences with the OpenBSD operating system. With luck, you will find it helpful, or at least informative.”

    http://home.earthlink.net/~bhami/rosetta.html “Rosetta Stone for Unix”; a guide for comparable commands and directories in several popular forms of UNIX (AIX, Darwin, DG-UX, FreeBSD, HP-UX, IRIX, Linux, NetBSD, OpenBSD, SCO OpenServer, Solaris, SunOS, Tru64, and ULTRIX).

    http://www.bsdsearch.com/ “BSDSearch.Com: We are the world’s largest search engine and directory for BSD.”

    http://www.bsdnet.dk “BSDnet.dk: *BSD related information.”

    http://www.cons.org/cracauer/bsd.html “Martin Cracauer BSD Pages: List of my own WWW pages about BSD systems.”

    http://www.monkey.org/openbsd/ “OpenBSD for Monkeys: OpenBSD resources we provide on Monkey.Com.”

    http://perfectisolation.dyndns.org “Perfect Isolation: Notes and How-To’s from my experience with Free BSD and OpenBSD.”

    http://www.unix-vs-nt.org/ John Kirch’s article “Microsoft Windows NT Server 4.0 versus UNIX”

Spanish language web sites

    http://www.openbsd.cl/ “OpenBSD Chile: Esta pagina tiene un caracter informativo y educativo. Toda la información desplegada en esta pagina es sobre OpenBSD.”

    http://www.barrapunto.com/bsd/index.shtml “BarraPunto BSD: Pagina de noticias de BSD para los Hispanos.”

further reading: books

    For more UNIX book listings, see also the general book listings on the UNIX web page.

If you want your book reviewed, please send a copy to: Milo, POB 1361, Tustin, CA 92781, USA.

Price listings are for courtesy purposes only and may be changed by the referenced businesses at any time without notice.

further reading: books: introductory/general

A Practical Guide to the Unix System; by Mark G. Sobell; Addison-Wesley Pub Co; October 1994; ISBN 0805375651; paperback; 800 pages; $37.95

further reading: books: administration

Essential System Administration: Help for Unix System Administrators (Nutshell Handbook); 2nd edition; by Aeleen Frisch; O’Reilly & Associates; December 1996; ISBN 1565921275; paperback; 788 pages; $27.96

    Universal Command Guide; by Guy Lotgering (UCG Team); Hungry Minds, Inc; April 2002; ISBN 0764548336; hardcover with CD-ROM; 1,600 pages; $69.99; cross references all of the commands from: AIX; Solaris; RedHat Linux; Berkeley BSD; NetWare 3.2, 4.11, 5, and 6; DOS 6.22; Windows 95, 98, ME, XP, NT 4 Workstation, NT 4 Server, NT 4 Terminal Server, 2000 Professional, 2000 Server, 2000 Advanced Server; Citrix Mainframe 1.8; and Mac 9

The Complete Guide to Netware 4.11/Intranetware; 2nd edition; by James E. Gaskin; Sybex; December 1996; ISBN 078211931X; paperback; $47.99; includes information on getting NetWare working with Windows, Macintosh, UNIX, and OS/2

further reading: books: internet

Building a Unix Internet Server; by George Eckel; New Riders Publishing; June 1995; ISBN 1562054945; paperback (with CD-ROM); 325 pages; $30.40

further reading: books: enterprise/business

further reading: books: content creation

further reading: books: programming

Advanced Programming in the Unix Environment (Addison-Wesley Professional Computing Series); by W. Richard Stevens; Addison-Wesley Pub Co; June 1992; ISBN 0201563177; hardcover; 744 pages; $63.95

further reading: books: hardware

further reading: books: miscellaneous

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If you want your book reviewed, please send a copy to: Milo, POB 1361, Tustin, CA 92781, USA.

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    A web site on dozens of operating systems simply can’t be maintained by one person. This is a cooperative effort. If you spot an error in fact, grammar, syntax, or spelling, or a broken link, or have additional information, commentary, or constructive criticism, please e-mail Milo. If you have any extra copies of docs, manuals, or other materials that can assist in accuracy and completeness, please send them to Milo, PO Box 1361, Tustin, CA, USA, 92781.

    If you have an extra or unwanted copy of any official manuals or documentation on this operating system, please send them to: Milo, POB 1361, Tustin, CA 92781, USA. I have the following items: NONE.

    Note: I am looking for a fan of OpenBSD who has the time to check this web site for completeness and accuracy regarding OpenBSD. Just check through the site about once a week or so and report back with any information (including the URL of the web page you are reporting).

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    Last Updated: April 19, 2002

    Created: June 22, 1998

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