I want to know how to
umount my USB drive via command line. I am using Ubuntu 12.04 LTS 32-bit.
Suppose your usb drive is mounted to
Suppose the your usb is
You may also have a look at the anwers of one of my questions, how to umount all attached usb devices with a single command: Umount all attached usb disks with a single command
Better than using