The term 'OPERATING SYSTEM WITH A PENGUIN LOGO' is referring to the Linux operating system. Linux is an open-source operating system that was created in 1991 by Linus Torvalds. It is a Unix-like operating system and is known for its use of a penguin logo. Linux is used in many different applications, from embedded systems to supercomputers. It is also popular among developers and users of free and open-source software.