Rescatux is described as 'GNU/Linux rescue cd (and eventually also Windows) but it is not like other rescue disks. Rescatux comes with Rescapp. Rescapp is a nice wizard that will guide you through your rescue tasks' and is an app in the os & utilities category. There are more than 10 alternatives to Rescatux for a variety of platforms, including Windows, Linux, Mac, Android and Self-Hosted apps. The best Rescatux alternative is Hiren’s BootCD. It's not free, so if you're looking for a free alternative, you could try Hiren’s BootCD or Hiren’s BootCD PE. Other great apps like Rescatux are Ikki Boot, ALT Linux, Hoek's Tools and Finnix.
The AVG Rescue CD is essentially a portable version of AVG Anti-Virus supplied through Linux distribution. It can be used in the form of a bootable CD or bootable USB flash drive to recover your computer when the system cannot be loaded normally, such as after an extensive or...
Dual-boot Repair will automatically fix boot environment of systems based on Windows 7, Windows 8 or Vista with Windows XP, Vista or Windows 7/8 as second operating system.
AppleJack is a user friendly troubleshooting assistant for Mac OS X. With AppleJack you can troubleshoot a computer even if you can't load the GUI, or don't have a startup CD handy. AppleJack runs in Single User Mode and is menu-based for ease of use.
Recovery Is Possible (RIP) is a Slackware-based CD or floppy boot/rescue/backup/maintenance system. It has support for a lot of filesystem types and contains a bunch of utilities for system recovery.
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this is an executable, not an operating system, and only is used for fixing dual-boot WINDOWS systems, not linux