Chapter 11, CPU ALLOCATION, BUSINESS FOCUS, Exercise 01
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The differences in standards, bundling, binary compatibility, and number of software sources yield a complex set of tradeoffs that must be considered when deciding which OS to acquire. For example, many people see the open-source nature of Linux and UNIX as a security and reliability advantage, assuming that open-source software undergoes rigorous testing by a large user and developer community and enables faster incorporation of security patches and improvements. On the other hand, many people consider Windows Server to be much easier to use and configure because of binary software compatibility, an extensive set of similar configuration tools, and single-vendor support. Describe the strengths and weaknesses of Windows Server and UNIX or Linux in the following settings. Which OS would you recommend for each company?

  • A small electrical supply wholesaler with 25 employees, 15 user workstations, and an application and services suite that includes basic accounting and inventory control functions, file and printer sharing, and a small Web site not used for e-commerce
  • An engineering design and consulting partnership with 25 employees, 15 user workstations, and a mix of applications and services, including basic accounting functions, bid preparation, CAD and drafting, construction management, file and printer sharing, and a small Web site not used for e-commerce
  • A large catalog seller of musical equipment with hundreds of employees; three warehouses in New Jersey, St. Louis, and Portland; and a mix of applications and services, including all accounting functions, catalog preparation and distribution, phone and Web-based sales, and inventory control and logistics.

Explanation

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Answer

 1. Small electrical supply wholesaler: For this scenario windows server is the best choice. Because it is a user friendly operating system. The majority of people use Windows. It is a server operating system used for local networks. The number of applications that are available to run in the Server environment. There are financial applications, database programs, and e-mail exchange operations as well as web server and Internet programs. Windows Server provides many features that make it a popular server for businesses, large or small. The application support, reliability, and security make it a server that has a lot of consumer confidence. The main disadvantages of windows server are that it is costly, the staff must be trained, and security and service packs must be installed which can disrupt the operations on the network
 

2. Engineering design and consulting partnership:  For this scenario also windows server preferable. This company don't need enterprise-level software.
 

3. Large catalog seller of musical equipment: For this scenario UNIX or LUNIX is best choice. Because UNIX servers operate on under high load than Windows server. Security is also more than windows server. It supports multi-user and multitasking. Multiple users can run multiple programs each at the same time without interfering with each other or crashing the system. Very efficient virtual memory, so many programs can run with a modest amount of physical memory.  It provides better security. All users must be authenticated by a valid account and password to use the system at all. All files are owned by particular accounts. The owner can decide whether others have read or write access to his files. Ability to string commands and utilities together in unlimited ways to accomplish more complicated tasks -- not limited to preconfigured combinations or menus, as in personal computer systems.

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