What open-source operating system's source code is freely available to everyone?
A)UNIX
B)Snow Leopard
C)Linux
D)Red Hat

Question

Quizplus · Accepted Answer

Linux is an open-source operating system, and its source code is freely available to everyone. UNIX is also open-source, but its source code may not be freely available to everyone due to licensing issues. Snow Leopard is a proprietary operating system developed by Apple, and its source code is not freely available. Red Hat is a commercial Linux distribution, and while its source code may be available, it is not necessarily freely available to everyone.

What Open-Source Operating System's Source Code Is Freely Available to Everyone