COMPUTER SCIENCE AND ENGINEERING
OPERATING SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following operating systems is free and open-source?
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Windows
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Mac OS X
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Linux
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UNIX
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Explanation:
Detailed explanation-1: -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-2: -UBUNTU is a complete LINUX operating system. It is free to use and open-source operating system.
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.
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