The main attraction of a system rescue CD is, of course, the boot menu of the Live CD. While the operating system can be downloaded from Softpedia or from its official website (see link above) as a minimal ISO image that can be written to either CD discs or USB flash drives in order to boot it from the BIOS of a PC, it can also distributed as a self burning EXE file, offering an alternative for burning the ISO image on a CD disc or USB thumb drive under the Microsoft Windows operating system without much hassle.
It has no graphical desktop environment and requires a bare minimum of knowledge about Linux systems. Trinity Rescue Kit, also known as TRK among connoisseurs, is an open source and free bootable Live CD Linux distribution that can be used for offline system rescuing operations on both Linux and Microsoft Windows operating systems.