Questions relating to the unmounting of the filesystem of media connected to the computer, whether that is done via software or manually by the user using the command-line.

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15
votes
2answers
4k views

Why do I need root privileges to umount a drive at the command line, but not in Nautilus? How to change that?

When I insert a thumb drive, media card, or USB hard drive, to unmount it via the command line, I need to use: sudo umount /media/the_device But, I can unmount the device in a file manager like ...
2
votes
2answers
13k views

Can't format USB drive

I have a 4 Gig USB drive that I'd like to format. I go to the Disk Utility, and try to format it, but it says that the device is busy. (This same error occurs no matter whether I tried to format the ...
2
votes
1answer
1k views

Why does umount automatically remove the mount point of a drive that has been mounted with a file manager?

If I mount a drive using the file manager (I'm using PCManFM), the mount point is automatically removed when I run the umount command. However, if I mount by running mkdir and then mount, I have to ...
6
votes
2answers
928 views

Why does Nautilus ask me to “… empty the trash before you unmount?”

I have a SATA hard-drive, formatted as ext4, which is detected by Nautilus each time I boot the computer. I do need to click on it, in Places, to actually mount it. That's okay, I'm happy with ...