CET_Discussion 1

 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. 

The post must be in APA Format with 300 words.