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====""BaseSFS"" / ""PupSFS""====

~In a [[InstallationFrugal frugal installation]] of Puppy the linux directory structure is contained in a read-only [[SquashFS SFS file]] (also known as ""PupSfs"") .  It contains the original configuration of the Puppy version and [[RootFS]]; any changes are stored in a SaveFile.

~For example, the ""BaseSFS"" file in Puppy 5.28 is lupu_528.sfs.

~Only files stored in the ##/mnt## directory will be saved outside the SaveFile.  For example, ##/mnt/home## and ##/mnt/sda2## are the root directories of the boot partition and sda2 partition respectively.


==Also see==
~[[How Puppy Works|]]
~[[http://www.puppylinux.com/development/howpuppyworks.html How Puppy Works (PuppyLinux.com)]]

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