SystemRescueCD

SystemRescueCD is a specialized software tool that's booted from a CD, USB, or similar device to help troubleshoot and repair computers. It provides a Linux-based environment with various utilities for tasks like fixing broken operating systems, recovering data, partitioning disks, and managing file systems. Designed for technical users, it allows them to diagnose and resolve issues without needing to load the main operating system, making it an essential resource for system administrators and technicians performing maintenance or recovery tasks.