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To my knowledge, there are no files in Ubuntu which store or are dependent on the physical characteristics of the hard drive. All the information about the partitions is stored in the MBR and other data structures, which are outside of any filesystems (doing otherwise would create a chicken-and-egg problem, right? :)). The only file which comes to mind is ...


the device file of an optical burner is supposed to be /dev/srN, where N is a counting number beginning at 0. You need read-and-write permission for that file So what do you get from ls -l /dev/sr* The result might look like brw-rw----+ 1 root disk 11, 0 2015-01-23 07:37 /dev/sr0 Although i am neither root nor in group disk, i can use it. The "+" says ...

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