Topic 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). . 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; it is not enough for you to simply post your article and add cursory reviews. Cited references are required. Topic 2: 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. As with the first discussion topic, it is not enough for you to simply create a own posting. Purchase the answer to view it

Title: A Comparative Analysis of Operating Systems: Linux and Unix

Operating systems (OS) play a critical role in the functioning of modern computing devices. They serve as an interface between software applications and computer hardware, managing the system resources and providing core functionalities. This review aims to compare two popular operating systems, Linux and Unix, by exploring their history, architecture, ecosystem, and security aspects.

Linux Operating System:
Linux is a free and open-source operating system based on the Unix kernel. It originated in the early 1990s when Linus Torvalds developed the first version as a hobby project. The Linux kernel forms the core of various distributions, such as Ubuntu, Debian, and Fedora, each tailored to specific user requirements. It provides a robust and customizable platform for desktops, servers, and embedded systems.

Unix Operating System:
Unix, developed at Bell Labs in the 1970s, was one of the earliest and most influential operating systems. It was designed for multi-user environments, emphasizing modularity, scalability, and interoperability. Unix served as the foundation for numerous operating systems, including Linux, macOS, and various commercial Unix variants like Solaris and AIX.

Architecture and Design:
Both Linux and Unix adopt a monolithic kernel architecture, where the kernel provides direct control over hardware resources. The kernel manages processes, memory, file systems, and device drivers, ensuring efficient resource allocation and interaction with hardware components. However, Unix traditionally follows a more centralized approach, while Linux embraces a distributed development model, encouraging global contributions and rapid innovation.

Ecosystem and Development:
One significant advantage of Linux is the vast ecosystem of software applications and tools available. The open-source nature of Linux allows developers worldwide to collaborate, resulting in extensive community support, frequent updates, and security patches. Unix, on the other hand, has a more fragmented ecosystem due to commercialization, with different vendors offering their versions of the operating system, accompanied by proprietary software and tools.

Both Linux and Unix prioritize security, recognizing the importance of protecting user data and system integrity. Linux has gained a reputation for its robust security features, including built-in firewalls, access control mechanisms, and encryption options. Additionally, the open-source nature of Linux ensures rapid identification and resolution of security vulnerabilities. Unix, being an earlier system, initially focused less on security but evolved to incorporate advanced security features in subsequent iterations.

The comparison of Linux and Unix reveals both similarities and differences in their architecture, ecosystem, and security. While Linux benefits from its open-source development model and widespread adoption, Unix’s commercial variants often provide industry-specific enhancements and support packages. Understanding the strengths and weaknesses of each operating system is essential for choosing the appropriate platform based on specific requirements.

1. Tanenbaum, A. S. (2008). Modern operating systems. Pearson education.
2. Stallings, W. (2018). Operating systems: internals and design principles. Prentice Hall.
3. Bach, M. J. (1986). The Design of the UNIX Operating System. Prentice-Hall.

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