Short Tip: Read specific session of CD’s

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CD’s can be burned as multisession CDs. One advantage is that you can mark files in the previous session as “deleted” or changed so that you can effectively use them as a backup solution. Only the newer session is seen by the user when he/she mounts the CD.

To gain access to files on older sessions the fastest way is to give a specific option to the mount command:

mount /dev/cdrom /mnt -t iso9660  -o session=0

Afterwards you can simply browse the old session without any trace of the changes of the newer session.