en.wikipedia.org/wiki/Unix

Unix is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs ...

www.linuxandubuntu.com/home/top-10-unix-based-operating-systems

Jul 5, 2019 ... The UNIX operating system was created more than four decades ago at AT&T's Bell Laboratories. With continuous development since its ...

www.lifewire.com/operating-systems-unix-vs-windows-2180225

Jun 24, 2019 ... Operating systems make it possible for you to interact with your computer's software and hardware. But which OS is the best? Microsoft ...

www.howtogeek.com/182649/htg-explains-what-is-unix

Sep 22, 2016 ... Aside from Microsoft's Windows NT-based operating systems, nearly everything else traces its heritage back to Unix. Linux, Mac OS X, Android, ...

opensource.com/article/18/5/differences-between-linux-and-unix

May 21, 2018 ... Dive into the differences between these two operating systems that share much of the same heritage and many of the same goals.

www.guru99.com/difference-unix-vs-linux.html

Jun 20, 2019 ... The UNIX OS was born in the late 1960s. AT&T Bell Labs released an operating system called Unix written in C, which allows quicker ...

www.ee.surrey.ac.uk/Teaching/Unix/unixintro.html

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  ...

www.webopedia.com/TERM/U/UNIX.html

UNIX is a multitasking operating system developed at Bell Labs in the early 1970s. It was designed to be a small, flexible system used by programmers.

www.softwaretestinghelp.com/unix-introduction

Jul 2, 2019 ... Introduction to Unix Operating System: Let's start with Tutorial #1: 'What is Unix' in this series. In this tutorial, you will be able to understand the ...