Which of the following is a multitasking,multiuser,operating system developed by Bell Laboratories that operates on a wide variety of computing platforms?
A)Unix
B)Linux
C)OS X
D)COBOL
E)DOS

Question

Quizplus · Accepted Answer

Unix is a multitasking, multiuser operating system developed by Bell Laboratories and it is known for its compatibility with a wide variety of computing platforms. Linux is also a multitasking, multiuser operating system but it was developed independently of Unix. OS X is a multitasking operating system developed by Apple, but it is not compatible with as many computing platforms as Unix. COBOL is a programming language, not an operating system. DOS (Disk Operating System) is a single-user operating system developed by Microsoft and it is not multitasking or multiuser.

Which of the Following Is a Multitasking,multiuser,operating System Developed by Bell