OpenBSD

E100302

Unix-like operating system free and open-source software

OpenBSD is a free, security-focused, Unix-like operating system known for its code correctness, proactive security features, and integrated cryptographic tools.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (13)

Label	Occurrences
OpenBSD canonical	40
OpenBSD Project	4
OpenBSD operating system	3
OpenBSD base system	2
OpenBSD project	2
MirBSD	1
OpenBSD base system (partially)	1
OpenBSD kernel (via chainloading)	1
OpenBSD security features	1
OpenBSD/amd64	1
OpenBSD/powerpc	1
OpenNTPD	1
OpenSSH project	1

How this entity was disambiguated

This entity first appeared as the object of triple T816938 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: OpenBSD
Context triple: [PostgreSQL, operatingSystem, OpenBSD]

A. FreeBSD
FreeBSD is a free and open-source Unix-like operating system known for its reliability, advanced networking features, and use in servers, storage, and embedded systems.
B. GNU Hurd
GNU Hurd is the GNU Project’s microkernel-based operating system server collection intended as a free Unix-like replacement, built to run on top of the Mach microkernel.
C. Solaris operating system
Solaris operating system is a Unix-based enterprise operating system known for its scalability, robustness, and advanced features such as ZFS, DTrace, and strong support for SPARC and x86 architectures.
D. Slackware
Slackware is one of the oldest actively maintained Linux distributions, known for its simplicity, stability, and adherence to Unix-like design principles.
E. Alpine Linux
Alpine Linux is a lightweight, security-focused Linux distribution designed for simplicity, resource efficiency, and containerized environments.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: OpenBSD
Target entity description: OpenBSD is a free, security-focused, Unix-like operating system known for its code correctness, proactive security features, and integrated cryptographic tools.

A. FreeBSD
FreeBSD is a free and open-source Unix-like operating system known for its reliability, advanced networking features, and use in servers, storage, and embedded systems.
B. GNU Hurd
GNU Hurd is the GNU Project’s microkernel-based operating system server collection intended as a free Unix-like replacement, built to run on top of the Mach microkernel.
C. Solaris operating system
Solaris operating system is a Unix-based enterprise operating system known for its scalability, robustness, and advanced features such as ZFS, DTrace, and strong support for SPARC and x86 architectures.
D. Slackware
Slackware is one of the oldest actively maintained Linux distributions, known for its simplicity, stability, and adherence to Unix-like design principles.
E. Alpine Linux
Alpine Linux is a lightweight, security-focused Linux distribution designed for simplicity, resource efficiency, and containerized environments.
F. None of above. chosen

Statements (63)

Predicate	Object
instanceOf	Unix-like operating system ⓘ free and open-source software ⓘ
basedOn	NetBSD ⓘ
countryOfOrigin	Canada ⓘ
defaultInitSystem	BSD-style rc scripts ⓘ
defaultShell	ksh ⓘ
defaultWindowManager	cwm ⓘ
developer	OpenBSD self-linksurface differs ⓘ surface form: OpenBSD Project
family	BSD ⓘ
feature	W^X memory protection ⓘ address space layout randomization ⓘ integrated cryptographic framework ⓘ pledge system call ⓘ privilege revocation ⓘ privilege separation ⓘ randomized malloc ⓘ secure by default configuration ⓘ stack protector ⓘ unveil system call ⓘ
founder	Theo de Raadt ⓘ
hasMascot	Puffy ⓘ
includesSoftware	OpenSSH ⓘ PF packet filter ⓘ bgpd BGP daemon ⓘ httpd web server ⓘ ospfd OSPF daemon ⓘ relayd load balancer ⓘ smtpctl/smtpd mail server (historical) ⓘ
initialReleaseDate	1996-10-18 ⓘ
kernelType	monolithic kernel ⓘ
license	BSD license ⓘ surface form: BSD licenses ISC license ⓘ
mascotSpecies	pufferfish ⓘ
motto	Only two remote holes in the default install, in a heck of a long time! ⓘ
notableFor	conservative development practices ⓘ emphasis on security auditing ⓘ high-quality documentation ⓘ minimal default installation ⓘ
operatingSystemKernel	OpenBSD kernel ⓘ
originalAuthor	Theo de Raadt ⓘ
packageFormat	precompiled binary packages ⓘ
packageManagement	pkg_add ⓘ
programmingLanguage	C ⓘ
securityFocus	code correctness ⓘ integrated cryptography ⓘ proactive security ⓘ
sourceModel	open source ⓘ
supportsFileSystem	FFS ⓘ FFSv2 ⓘ surface form: FFS2 WAPBL (journaled FFS, limited) ⓘ soft updates ⓘ
supportsPlatform	alpha (historical) ⓘ amd64 ⓘ arm64 ⓘ hppa (historical) ⓘ IA-32 ⓘ surface form: i386 macppc (historical) ⓘ mips64 ⓘ powerpc ⓘ sparc64 ⓘ VAX ⓘ surface form: vax (historical)
updateModel	regular releases every six months ⓘ
website	https://www.openbsd.org/ ⓘ

How these facts were elicited

Referenced by (59)

Full triples — surface form annotated when it differs from this entity's canonical label.

PostgreSQL → operatingSystem → OpenBSD ⓘ

SCTP → implementedIn → OpenBSD ⓘ

Unix → influenced → OpenBSD ⓘ

RISC-V → supportsOperatingSystem → OpenBSD ⓘ

Xen → supportsGuest → OpenBSD ⓘ

CUPS → operatingSystem → OpenBSD ⓘ

Theo de Raadt → notableWork → OpenBSD ⓘ

this entity surface form: OpenNTPD

Theo de Raadt → operatingSystemDeveloped → OpenBSD ⓘ

Theo de Raadt → memberOf → OpenBSD ⓘ

this entity surface form: OpenBSD project

Theo de Raadt → memberOf → OpenBSD ⓘ

this entity surface form: OpenSSH project

LLVM → usedIn → OpenBSD ⓘ

this entity surface form: OpenBSD base system (partially)

GDB → supportsOperatingSystem → OpenBSD ⓘ

GNU GRUB → supportsKernel → OpenBSD ⓘ

this entity surface form: OpenBSD kernel (via chainloading)

BSD license → isUsedBy → OpenBSD ⓘ

this entity surface form: OpenBSD operating system

OpenBSD → developer → OpenBSD self-linksurface differs ⓘ

this entity surface form: OpenBSD Project

Kismet → supportsOperatingSystem → OpenBSD ⓘ

NetBSD → hasDerivative → OpenBSD ⓘ

this entity surface form: MirBSD

Xfce → isAvailableOn → OpenBSD ⓘ

QEMU → supportsHostOperatingSystem → OpenBSD ⓘ

FFSv2 → usedBy → OpenBSD ⓘ

pkgsrc → operatingSystem → OpenBSD ⓘ

IceWM → operatingSystem → OpenBSD ⓘ

Free Pascal → supportsOperatingSystem → OpenBSD ⓘ

LibreOffice → operatingSystem → OpenBSD ⓘ

Dolphin file manager → operatingSystem → OpenBSD ⓘ

subject surface form: Dolphin (file manager)

Konsole terminal emulator → operatingSystem → OpenBSD ⓘ

subject surface form: Konsole

KDE Applications → operatingSystem → OpenBSD ⓘ

Pegasos II → platformFor → OpenBSD ⓘ

Pegasos II → supportsOperatingSystem → OpenBSD ⓘ

this entity surface form: OpenBSD/powerpc

libsodium → supportsPlatform → OpenBSD ⓘ

BSD → influenced → OpenBSD ⓘ

Ed25519 → usedIn → OpenBSD ⓘ

WireGuard VPN protocol → operatingSystem → OpenBSD ⓘ

subject surface form: WireGuard

OpenVPN → supportsPlatform → OpenBSD ⓘ

GNUstep → supportsPlatform → OpenBSD ⓘ

de Raadt → founderOf → OpenBSD ⓘ