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This is an old revision of FrugalOrFullInstallation made by darkcity on 2014-04-10 14:33:11.

 

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Frugal or Full Installation

This page explains the differences between Frugal and Full installation.

Full Installation
In a Full installation the system files (Linux directory structure) takes up a whole drive partition. The contents from Puppy Linux's BaseSFS are extracted to the linux directory structure. All subsequent software installations, file edits and additions are made directly to the partition's file system. The directory structure is stored as it appears in the file manager or listed by a terminal emulator.

Frugal Installation
In a Frugal installation the system files (Linux directory structure) are compressed into a couple of file (technically filesystems within a file):

When first run:
  • the Puppy Linux initializes the layered file system starting with the BaseSFS (also known as PupSfs). This is a Sfs file containing Linux file system and directory structure (RootFS) The file is either accessed from the disk or loaded into RAM (read only) eg. lupu_528.sfs

Additional files:
  • the Puppy 'save file' containing settings, additional software, modifications etc. (read/write) eg. lupusave-mysave.2fs
  • additional software Sfs files (read only) eg. Gimp_2.7.3_528.sfs

On start-up these file-systems are super-imposed upon each other so that they appear merged. Additional files and alterations are written to the Puppy Save File (if within the Linux directory structure). The directory structure viewed in a file manager or listed by a terminal emulator is actually contained within these compressed files.

For more information see How Puppy works.

Comparsion

FullFrugal (not in RAM)Frugal (copied to RAM)
Drive partition requiredYesNoNo
Installation directory Requires a drive partition Almost any directory Almost any directory
Speed MediumLikely to be slower Faster
Installation file system Linux Type FAT, NTFS, Linux Type FAT, NTFS, Linux Type
Installation Protection RootFS writable with root user accessBaseSfs Read only BaseSfs Read only
Pup SaveFile No, directly accesses RootFS Yes, saved directly to disk Yes, in RAM (saved to disk on request/reboot)
Load/Unload SFS filesHarderEasy Easy


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