What powerful operating system, originally developed by AT&T for use on minicomputers, now runs on workstations, servers, and mainframe computers?
A)z/OS
B)AIX
C)UNIX
D)Linux

Question

Quizplus · Accepted Answer

UNIX was originally developed by AT&T for use on minicomputers and now runs on workstations, servers, and mainframe computers. z/OS is a mainframe operating system developed by IBM, AIX is a version of UNIX developed by IBM, and Linux is a free and open-source operating system. While these operating systems are also commonly used, they are not the originally developed by AT&T for use on minicomputers.

What Powerful Operating System, Originally Developed by AT&T for Use