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-   -   File system JFSS2 and cramfs (https://www.linuxquestions.org/questions/linux-newbie-8/file-system-jfss2-and-cramfs-575804/)

reuben-decruz 08-09-2007 01:28 AM
File system JFSS2 and cramfs
 
why do we actually require a file system? What is special about JFSS2 and cramfs? How is file system related to hard disk and flash memory?

maroonbaboon 08-09-2007 08:49 PM
Cramfs (and squashfs) let you store your files (read only) in compressed form to save space - typically used in embedded systems and live CDs. Space savings might be quite large, factor of 2 or 3.

JFFS is a special file system for flash memory. Too many writes can 'wear out' flash memory. JFFS tries to spread writes evenly over the whole device to maximise its life.


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