LiveCDs
LiveCD is a bootable operating system that resides on removable media such as a CD, DVD, or USB flash drive and can run independently of a computer’s installed hard disk. The term originated with optical discs, but many modern Live environments are delivered on USB sticks as well. A typical LiveCD includes a Linux kernel, a set of user-space applications, and the necessary system tools to perform common tasks, such as web browsing, document editing, and system maintenance, without permanent installation.
How it works: The media contains a bootloader that loads a compressed kernel and initramfs into memory.
Common uses include testing hardware compatibility, performing system recovery and backups, data rescue, malware analysis, privacy-conscious
Limitations and considerations: because the OS mostly runs in memory, performance depends on available RAM, and