At a glance
Publisher
Open
Web
Status
Available, supported
Introduced
1993
Latest
5.9
Design
Multitasking
Type
Workstation, Server
 
Summary News Requirements Compatibility Interface Installation Variants
Versions Downloads Links Publisher Support Alternatives Secrets Pricing
 
Details
Summary OpenBSD is a Unix based OS that available as open source (free) in source code form. It offers networking, performance and security for both the workstation, Internet and Internet servers.

OpenBSD has less ports and packages than FreeBSD or NetBSD, and is a bit more difficult to use than the others, but it is small, efficient and it has the best security. It's an excellent choice for a firewall or server.
News 1-May-2014 Open BSD v5.5 released
1-Nov-2011 Open BSD v5.0 released
1-May-2011 Open BSD v4.9 released
1-Nov-2010 Open BSD v4.8 released
19-May-2010 Open BSD v4.7 released
18-Oct-2009 Open BSD v4.6 released
1-May-2009 Open BSD v4.5 released
1-Nov-2008 Open BSD v4.4 released
1-May-2008 Open BSD v4.3 released
1-Nov-2007 Open BSD v4.2 released
1-May-2007 Open BSD v4.1 released
1-Nov-2006 Open BSD v4.0 released
1-May-2006 Open BSD v3.9 released
1-Nov-2005 Open BSD v3.8 released
1-Nov-2004 Open BSD v3.6 released
1-May-2004 Open BSD v3.5 released
1-Nov-2003 Open BSD v3.4 released
1-May-2003 OpenBSD v3.3 released
1-Nov-2002 OpenBSD v3.2 released
19-May-2002 OpenBSD v3.1 released
1-Dec-2001 OpenBSD v3.0 released
Requirements
Product OpenBSD
Processor 386 or better
RAM 32 MB or more ?
Drive space 200 MB or more ?
Drives Runs from hard disk
Video Monochrome or VGA (VGA or better for GUI desktop)
File systems BSD
Compatibility BSD Programs
Interface Text-based, graphics when using GUI desktop
Installation Install in any primary BSD partition
Variants Workstation
Server
Versions 2.1 Jun-1997
2.2 Dec-1997
2.3 May-1998
2.4 Dec-1998
2.5 May-1999
2.6 Dec-1999
2.7 Jun-2000
2.8 Dec-2000
2.9 Jun-2001
3.0 Dec-2001
3.1 May-2002
3.2 Nov-2002
3.3 May-2003
3.4 Nov-2003
3.5 May-2004
3.6 Nov-2004
3.8 Nov-2005
3.0 May-2006
4.0 Nov-2006
4.1 May-2007
4.2 Nov-2007
4.3 May-2008
4.4 Nov-2008
4.5 May-2009
4.6 Oct-2009
4.7 May-2010
4.8 Nov-2010
4.9 May-2011
5.0 Nov-2011
5.5 May-2014
5.6 Nov-2014
5.7 May-2015
5.8 Oct-2015
5.9 Mar-2016
Downloads Download OpenBSD FTP
Order 3-CD set
Links OpenBSD
Support
User Groups
Hardware Compatibility
Books Unix Categories: All - OpenBSD

Top titles
Publisher Open Source
Support Paid support available
Alternatives Linux, Windows 8, Windows Server 2012, Solaris
Secrets BSD stands for "Berkeley Software Distribution" the name chosen by Berkeley Computer Systems Research Group when the UNIX was first distributed.
Pricing Free (Open Source)
3-CD set, $47.50
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