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.PET File Extension

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File TypePuppy Linux Install Package

DeveloperBarry Kauler
4.4 (5 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryCompressed Files


This file is saved in a binary format, which requires a specific program to read its contents.


Application package created for PuppyLinux; typically used for installing software programs; saved in a stored in a "tarball" compressed archive format (.TGZ files) with an md5sum checksum appended to the end.

More Information

PET stands for "Puppy's Extra Treats" and is a unified package system used by Puppy Linux 2.14 and later. PET files can be opened by the included PETget utility, or with any TGZ file extractor. When extracted, the package's directory structure is projected onto the root level of the Linux file system.

PET packages are commonly referred to as "pets." They replace .PUP files used by earlier versions of Puppy Linux. Older PUP files can be converted to PET files using the pup2pet program included with the "PET tools."

Programs that open PET files
Smith Micro StuffIt Deluxe for Windows
Corel WinZip 20
WinRAR 5
Smith Micro StuffIt Deluxe 16
PET tools
Updated 11/30/2010