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How to provide user permission to read, write on `/dev/sdax`? What is the syntax?

I have two my hard disk divided into two partition (apart from swap). First one is /dev/sda3 on which I have my ubuntu installation. Second one is /dev/sda1. Now, when I try to copy a file to ...
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534 views

can't chmod on external hard disk? [duplicate]

Possible Duplicate: How to change files permissions from a different hard drive? I have an USB3.0 external hard disk, partitioned to 3 NTFS partitions. When I plug the hard disk in, the 3 ...