In some Linux distros, the vboxmanage command is case-sensitive. Now, open your Terminal and run any one of the following commands to create a vmdk file: $ sudo vboxmanage internalcommands createrawvmdk -filename ~/usb.vmdk -rawdisk /dev/sdc I/O size (minimum/optimal): 512 bytes / 512 bytesĪs you can see, my USB drive name is /dev/sdc. Sector size (logical/physical): 512 bytes / 512 bytes I am going to use 'fdisk' command to find my USB drive details: $ sudo fdisk -lĭisk /dev/sdc: 14.54 GiB, 15597568000 bytes, 30464000 sectors How To Find Hard Disk Drive Details In Linux.Refer the following guide to learn different ways to find disk drive details in Linux. First, you need to find your USB drive name.