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: -There are several different versions of UNIX, however, there are many similarities. The most popular varieties of UNIX systems are Sun Solaris, Linux/GNU, and MacOS X.

Detailed explanation-3: -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-4: -A Linux-based system is a modular Unix-like operating system, deriving much of its basic design from principles established in Unix during the 1970s and 1980s. Such a system uses a monolithic kernel, the Linux kernel, which handles process control, networking, access to the peripherals, and file systems.