vdt: VDT - Visual Disk Test
vdt:
vdt: VDT performs I/O tests on files and/or devices. 
vdt: The BUD Toolshed is a set of utility programs to improve operating
vdt: system administration, ranging from security and storage to
vdt: performance analysis; VDT is the I/O tester)
vdt:
vdt:
vdt:
vdt:
vdt: