FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Berkeley Software Distribution (BSD) is a prominent version of the Unix operating system that was developed and distributed by the Computer Systems Research Group (CSRG) from the University of California at Berkeley between 1977 and 1995. This operating system was originally made for the PDP-11 and DEC VAX computers.

Detailed explanation-2: -The Berkeley Software Distribution or Berkeley Standard Distribution (BSD) is a discontinued operating system based on Research Unix, developed and distributed by the Computer Systems Research Group (CSRG) at the University of California, Berkeley.

Detailed explanation-3: -FreeBSD is a free and open-source Unix-like operating system descended from the Berkeley Software Distribution (BSD), which was based on Research Unix. The first version of FreeBSD was released in 1993.

Detailed explanation-4: -The correct answer is Linux. Key Points Linux: One of the most successful open-source products is the Linux operating system, an open-source Unix-like operating system, and its derivative Android, an operating system for mobile devices.

Detailed explanation-5: -When the University of California at Berkeley received the source code, Unix co-creator Ken Thompson was there as visiting faculty. With his help, researchers and students, notably Sun co-founder Bill Joy, improved the code and developed the Berkeley Software Distribution (BSD).