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FreeBSD
FreeBSD_logo
The FreeBSD logo
Release Status Maintained
Release Model Stable
Package Manager pkg
Default Desktops GNOME, LXQt, KDE Plasma, MATE, Cinnamon, Xfce
Usage Type Desktop, Firewall, Raspberry Pi, Server
Architectures arm, aarch64, armel, i486, ia64, mips, mipsel, sparc64, pc98, powerpc, powerpc64, ps3, x86_64, xbox
Website freebsd.org


FreeBSD is a Unix-like operating system, based on the BSD (Berkley Software Distribution), developed by The FreeBSD Project. The first version of FreeBSD released in November 1993.[1]

Screenshot of FreeBSD 13.0 boot loader
Screenshot of FreeBSD 13.0 boot loader

FreeBSD maintains a complete system, delivering a kernel, Drivers, userland utilities, and documentation, as opposed to Linux only delivering a kernel and drivers, and relying on third-parties such as GNU for system software.[2] The FreeBSD source code is generally released under a permissive BSD license, as opposed to the copyleft GPL used by Linux. The project includes a security team overseeing all software shipped in the base distribution. Third-party applications may be installed using the pkg package management system or from source via FreeBSD Ports.[3] The project is supported and promoted by the FreeBSD Foundation.

Much of FreeBSD's codebase has become an integral part of other operating systems such as Darwin (the basis for macOS, iOS, iPadOS, watchOS, and tvOS), TrueNAS (an open-source NAS/SAN operating system), and the system software for the PlayStation 3[4][5] and PlayStation 4[6] game consoles. The other current BSD systems (OpenBSD, NetBSD, and DragonFly BSD) also contain a large amount of FreeBSD code, and vice-versa.[citation needed]

References

  1. "Open Sources: Voices from the Open Source Revolution" O'Reilly Media. 29 March 1999. Archived from the original on 7 October 2014. Retrieved 15 June 2022.
  2. Chisnall, David (20 January 2006). BSD: The Other Free UNIX Family. informit.com. Archived from the original on 5 January 2014. Retrieved 13 December 2013.
  3. "Chapter 4. Installing Applications: Packages and Ports". FreeBSD Handbook. The FreeBSD Project. Archived from the original on 22 September 2021. Retrieved 16 June 2021.
  4. "Licenses of software used on PlayStation®3 console". Archived from the original on 26 March 2016. Retrieved 11 August 2010.
  5. Rosenberg, Alex (17 December 2013). "FreeBSD Handbook and PS3". freebsd-doc (Mailing list). Archived from the original on 2 February 2017. Retrieved 22 January 2016.
  6. "Open Source Software used in PlayStation®4". Sony Interactive Entertainment. Archived from the original on 12 December 2017. Retrieved 4 January 2019.