On 07/21/2014 11:16 PM, Benno Schulenberg wrote: > So how does umount determine that a device was mounted by a user > and thus that the user is alllowed to unmount it again? man sys-utils/mount.8 # the new one! ;-) user Allow an ordinary user to mount the filesystem. The name of the mounting user is written to mtab (or to the private libmount file in /run/mount on system without regular mtab) so that he can unmount the filesystem again. Have a nice day, Berny -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html