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I have a flash drive mounted in read-only mode. I cannot unmount it, but I want to be able to write to it. I tried mounting it in a second place but that didn't work. It is in use, so I cannot unmount it. Is this possible or am I stuck with read only (filesystem is vfat if it makes any difference).

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up vote 2 down vote accepted
mount -o remount,rw

is the way to do it on Linux, but which options are changeable varies across filesystems.

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