Ultimate Boot CD lets you run diagnostics from CD, not from an unwell hard drive or a series of teeny floppies. You can create a boot CD with any of a variety of hard drive diagnostics, hard disk management programs, memory diagnostics, Linux-based rescue discs, and more.

Changes in version 5.0 :
Some of the major changes are:
- Directory layout restructuring
- UBCD FreeDOS V1.32 (with support for "ubcd.ini" config file)
- Parted Magic V3.0 (USB support broken, xfprot doesn't work yet)
Other changes include:
- Usual version updates of various apps
- Added SeaTools for DOS (GUI version), EASEUS Partition Manager, DISKINFO, KEYDisk, DiskSpy, Fujitsu UDMA utility, Fujitsu Change Definition Utility, Fujitsu Erase Utility.
- Improvements to ubcd2iso and ubcd2usb.