"The Linux world contains a wealth of rescue disks for administrators of mixed networks. In the beginning was Tom's Root Boot, 'the most GNU/Linux on 1 floppy disk.' Then came H. Peter Anvin's SuperRescue CD, the first bootable Linux on a CD, which naturally held many more tools than a floppy disk. Later came Knoppix Live Linux CD, and subsequently the Linux Live CD universe exploded.
"The Trinity Rescue Kit (TRK) is noteworthy for being relatively lightweight, fast-booting, and designed specifically as a cross-platform rescue CD..."