Puppy Linux is a lightweight and versatile operating system, perfect for revitalizing older computers or as a portable option on a flash drive. With a focus on speed and efficiency, this FOSS OS requires less than 50 MB of hard drive space and 1 GB of RAM, making it ideal for various devices. Developed in Australia, Puppy Linux is multilingual and can be used on an unlimited number of devices, providing a user-friendly experience for Linux enthusiasts worldwide.