.pkg

PKG
Filename extension
.pkg
Developed byApple Inc.,
Sony Computer Entertainment,
Symbian Ltd.
Container forApplications

.pkg (package) is a filename extension used for several file formats that contain packages of software and other files to be installed onto a certain device, operating system, or filesystem, such as macOS, iOS, the PlayStation Vita, the PlayStation 3, the PlayStation 4 and the PlayStation 5.

  • The macOS and iOS operating systems made by Apple use .pkg extensions for Apple software packages using the Xar format internally.
  • PlayStation Vita, PlayStation 3, PlayStation 4, PlayStation 5 — used for installation of PlayStation Vita, PlayStation 3, PlayStation 4 and PlayStation 5 software, applications, homebrew, and DLC from the PlayStation Store[1]
  • System V Release 4 (SVR4) .pkg files are cpio archives that contain specific file tree structures.[2] They are software packages that can be installed, removed and tracked using the pkgadd, pkgrm, and pkginfo commands. The SVR4-based Solaris, and the Solaris-based illumos, support that package format.[3]
  • Symbian use .pkg files to store configuration information used to generate .sis installer packages.[4]
  • BeOS used .pkg files as part of their software packaging platform. The package format was used after Be Inc. bought Starcode Software Inc. and acquired their packaging tools.
  • Apple Newton operating system used files ending in .pkg for Newton applications and software. As a result, when seen from the Mac OS X Finder, Newton applications appear the same as Mac OS X Installer packages, however they do not share their file format.
  • PTC/CoCreate 3D Modeling application use .pkg files to store model files. This .pkg file uses the ZIP file format.
  • Microsoft is said to use .pkg files for profile storage on Xbox Network.
  • L3 Avionics systems use some .pkg files for software updates.

See also

References

  1. ^ ".PKG File". PSDevWiki. Retrieved 15 March 2015.
  2. ^ AT&T. "SYSTEM V Application Binary Interface" (PDF). SCO Group. Retrieved 16 March 2015.
  3. ^ Philip Brown. "How to make a Solaris package (pkg format)". Bolthole.com. Retrieved 11 October 2013.
  4. ^ Nokia Corporation. "Deploying an Application on the Symbian platform". Digia.com. Archived from the original on 2014-08-09. Retrieved 15 March 2015.