FUNDAMENTALS OF COMPUTER

OPERATING SYSTEMS FOR COMPUTERS

COMPUTER OPERATING SYSTEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following operating systems is free and open-source?
A
Windows
B
Mac OS X
C
Linux
D
UNIX
Explanation: 

Detailed explanation-1: -UBUNTU is a complete LINUX operating system. It is free to use and open-source operating system.

Detailed explanation-2: -Linux is a free, open source operating system (OS), released under the GNU General Public License (GPL). It’s also become the largest open source software project in the world.

Detailed explanation-3: -Unix is not free. However, some Unix versions are free for development use (Solaris). In a collaborative environment, Unix costs $1, 407 per user and Linux costs $256 per user. Hence, UNIX is extremely expensive.

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.

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