Making A Copy of BOSPRE USB
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* Download a copy of of the file bospre-usb-X.img, where X is the
  version number.

* The following must be done as root.  Use `sudo bash'.

* Insert a blank flash disk of size at least 2GB.

* Use the command `mount' to see if this mounted.
  If it mounted on /dev/sdY (where Y is, e.g., `b') , execute

	umount /dev/sdY

  If the flash disk is not mounted, use `lsblk' to find the block
  device /dev/sdY of the flash disk.

* Execute:	dd if=bospre-usb-X.img of=/dev/sdY

  This will take a long time to complete, and print the number of
  blocks transmitted upon completion.

* To check the result, execute:    cmp bospre-usb-X.img /dev/sdY

  This will take a long time to complete, and on success will print
  `EOF on bospre-usb-X.img'.