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300 words in your reply.  Indicate at least one source or reference.

Computerized Operating Systems (OS) are almost everywhere. We encounter them when we use out laptop or desktop computer.
We use them when we use our phone or tablet.
Find articles that describes the different types of operating systems (Linux, Unix, Android, ROS, z/OS, z/VM, z/VSE, etc).
Do not select MS WINDOWS. Write a scholarly review of comparing any two or more OS;
attach a copy of the article to your postings. Remember, this assignment is to be scholarly;
Cited references are required.
Requirements : you are required to write an initial post (300 words)

Name a utility required by a data center. What events might occur to interrupt this utility?

300 words in your reply. Indicate at least one source or reference.

Discuss one aspect of Disaster Recovery Tier 1, 2, or 3

300 words in your reply. Indicate at least one source or reference.

We all had the unfortunate experience of seeing how computers can, at times, make life’s journey abit more difficult.
This is especially true in knowledge centric workplaces.
Describe an example of a very poorly implemented database that you’ve encountered (or read about) that illustrates the potential for really messing things up.
Include, in your description, an analysis of what might have caused the problems and potential solutions to them.
Be sure to provide supporting evidence, with citations from the literature.

Requirements : you are required to write an initial post (300 words)