Operating Systems - Charlie

Operating Systems - Charlie

1. Types of Operating System

   • Off the Shelf
   • Custom Written
   • Open Source
   • Bespoke
   • Proprietary

2. User Interfaces

   • Graphical User Interface
   • Command line interface
   • Menu Driven
   • Natural Language

3. Advantages of different types of Operating Systems

   • Off the Shelf
     • Lots of online help
     • Don't have to know how to code to fix errors
     • Relatively cheap
     • Lots of different features
   • Open Source
     • You can edit it if there is a problem
     • Free
     • Lot's of people can help make it better
   • Custom Written
     • Does exactly what you want it to
     • Free
   • Proprietary
     • Lots of access to help
     • Has lots of features

4. Definition

   • Provides a link between the CPU and the user, protects files and allows users to read, modify and write files