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 Windows, Linux, Self-Hosted and Mac. 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 ALT Linux, Ikki Boot, Finnix and Hoek's Tools.
A free bootable CD that contains a multitude of tools for analyzing, recovering, and fixing your computer even if its operating system does not start.
Hiren’s BootCD PE (Preinstallation Environment) is a restored edition of Hiren’s BootCD based on Windows 10 PE x64. PE version is being developed by Hiren’s BootCD fans. it supports UEFI booting and requires minimum 2 GB RAM.
SystemRescue is a Linux system rescue toolkit available as a bootable medium for administrating or repairing your system and data after a crash.
ALT Linux is a set of RPM-based, APT-managed operating systems built on top of the Linux kernel and Sisyphus package repository branches. ALT Linux Rescue is, well, the disaster recovery tool.
Ikki Boot is a Live DVD/USB multiboot which aims troubleshooting, disk partitioning, rescue, backup and restore data.
Hoek’s Tools is a vast collection of portable utilities for the management, diagnosis and repairing of computer problems, recover lost or deleted files or cracking passwords. There are literally hundreds of utilities.
The primary purpose of Super GRUB2 Disk is to help you boot into an OS whose bootloader is broken. Second, and almost as important, is to be a tool to learn more about GRUB2 and the booting process.
Boots PCs with startup issues, recovers data from non-bootable drives, fixes over 100 Windows boot problems, resets lost passwords, backs up and clones partitions, restores files from crashed systems or formatted drives, and secures sensitive data.
DLC Boot 2019 is a rescue disk that is used as a Recovery CD. The point is that if you are having problems such as Windows can not boot, missing MBR, want to format the hard drive, remove viruses and so on, you can simply use the DLC Boot 2019 to resolve the issue.
Trinity Rescue Kit or TRK is a free live Linux distribution that aims specifically at recovery and repair operations on Windows machines, but is equally usable for Linux recovery issues. Since version 3.
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.
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this is an executable, not an operating system, and only is used for fixing dual-boot WINDOWS systems, not linux