operating systems aoit principles of information technology
TRANSCRIPT
Operating Systems
AOITPrinciples of Information Technology
Operating Systems Serve Five Main Functions
Operating systems serve five main functions:
• Provide a user interface• Organize files• Manage applications• Manage hardware• Repair/restore computer
functionality
What operating systems are running at your school?
There Are Several Kinds of Operating Systems
There are many operating systems for users to choose from.
What operating systems have you used before?
Windows, made by Microsoft, is the market leader. Another popular choice is Linux, an open source operating system.
Linux
An OS Can Be Proprietary or Open Source
Microsoft’s Windows operating system is proprietary—this means users pay a fee to use the software and receive customer and technical support in return.
Open source software, like the Linux-based Ubuntu, is free, but comes without formal customer or technical support.
vs.
Both systems have benefits. Which would you choose?
Operating Systems Have a User Interface
A typical Windows desktop
Operating Systems Have a User Interface
A machine running the Linux-based Red Hat operating system
Operating Systems Make It Easy to Organize Files
Windows uses a folder system to organize files
Operating Systems Make It Easy to Organize Files
This Linux user manages files with folders, icons, and buttons; the organization resembles a web browser
OS Utilities Help Users Handle Basic Tasks
This Windows utility helps a user back up files
OS Utilities Help Users Handle Basic Tasks
This Linux Ubuntu setup is very basic but offers the user full functionality
Operating Systems Help Manage Hardware
Windows helps users manage hardware such as a keyboard
Operating Systems Help Manage Hardware
This Linux user can easily keep track of each storage device installed on the machine
An Operating System Helps Manage Applications
Windows XP application manager
An Operating System Helps Manage Applications
Linux Red Hat’s application manager
Photo Credits
The image of the Windows logo on Slide 3 and the image of the Linux logo on Slide 3, which was designed by Larry Ewing, [email protected] using GIMP, can can be accessed on wikipedia.org and are reproduced here under the terms of the GNU Free Documentation License. Permission is granted to copy, distribute and/or modify these images under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is available at http://commons.wikimedia.org/wiki/Commons:GNU_Free_Documentation_License.
The image on Slide 9 is available at http://www.microsoft.com/protect/yourself/data/backup.mspx
The image on Side 10 is available at http://www.gnuman.com/screenshots.html?page=inline&id=721 and is reproduced here under the terms of the GNU General Public License, version 2.0.
The images on slides 5, 7, 11, and 13 were compiled by Marcin Wichary and are used here with his permission. They can be accessed at http://www.guidebookgallery.org/screenshots/winxppro
The images on slides 6, 8, 12, and 14 were compiled by Marcin Wichary and are used here with his permission. They can be accessed at http://www.guidebookgallery.org/screenshots/gnome220redhat9