What file system is Knoppix using in its ram disk?

I am using Knoppix live CD with no hard drive. Sometimes I use the toram parameter while booting. I am curious to know, when knoppix builds the ram disk in memory, what file system is it using? Is it the same for a normal boot as it is with the toram parameter?

Just an educated guess, but probably ext2 or something similar. (With RAM filesystems, you don't need journalling.)

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Originally Posted by GottaBuild

I am using Knoppix live CD with no hard drive. Sometimes I use the toram parameter while booting. I am curious to know, when knoppix builds the ram disk in memory, what file system is it using? Is it the same for a normal boot as it is with the toram parameter?

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KNOPPIX 3.8.2, mount | grep ram output:

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/ramdisk on /ramdisk type tmpfs (rw,size=375888k)
/UNIONFS on /UNIONFS type unionfs (rw,noatime,dirs=/ramdisk=rw:/KNOPPIX=ro)

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I guess newers knoppix than 3.8 have unionfs.

--Cool, thanks.

IBM article on tmpfs properties/features:

http://www-128.ibm.com/developerwork...ary/l-fs3.html

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Originally Posted by maxIT

KNOPPIX 3.8.2, mount | grep ram output:

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/ramdisk on /ramdisk type tmpfs (rw,size=375888k)
/UNIONFS on /UNIONFS type unionfs (rw,noatime,dirs=/ramdisk=rw:/KNOPPIX=ro)

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I guess newers knoppix than 3.8 have unionfs.

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Yes 'tmpfs' is very cool and the 3.8.2 hd-install has /tmp mounted on it by default.

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from 'mount' command:
tmpfs on /dev/shm type tmpfs (rw)

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from '/etc/fstab':
tmpfs /dev/shm tmpfs defaults 0 0

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