On Tuesday 24 April 2001 00:22, Yunus Shaikh wrote:
> Hello all
>
> has anybody worked with compressed file system that is the root filesystem
> compressed and stored and when the machine boots it uncompresses the root
> file system in ram any pointer would be appreciated
If you need a relatively large ( a couple of MB) filesystem in ram, you could
do it in conjunction with and initrd filesystem. There's a HOWTO in this
effect. Look it up. What you basically do is use lilo to specify the
compressed initrd filesystem to use. This is a small filesystem with all the
stuff you need to bring up the actual filesystem. I think the file /linuxrc
is run from this filesystem prior to mounting the actual filesystem. I also
think you could mount the actual meduim, (maybe your hard-disk), extract the
compressed filesystem into a ramdisk, and then instruct the kernel to mount
the ramdisk as root. How to go about doing it - check the HOWTO.
-Faisal.
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