MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -UNIX is an operating system which was first developed in the 1960s, and has been under constant development ever since. By operating system, we mean the suite of programs which make the computer work. It is a stable, multi-user, multi-tasking system for servers, desktops and laptops.

Detailed explanation-2: -Few Examples of currently registered UNIX systems include macOS, Solaris, and AIX. If we consider the POSIX system, then Linux can be regarded as Unix-like OS. As per the Linux kernel official README file, Linux is a UNIX clone that is developed from scratch by Linus Torvalds and his team.

Detailed explanation-3: -Unix is a multi-user operating system which allows more than one person to use the computer resources at a time. It was originally designed as a time-sharing system to serve several users simultaneous.

Detailed explanation-4: -UNIX is a multi-user, multi-tasking operating system. Multiple users may have multiple tasks running simultaneously. This is very different from PC operating systems such as MS-DOS or MS-Windows (which allows multiple tasks to be carried out simultaneously but not multiple users).