1. Different Operating Systems
CS101
Different Operating Systems

2. Software
Software is a set of instructions for the computer to follow to accomplish a task.
Operating System = Set of instructions that controls all hardware and software on the computer

3. Reasons For Other OS’s Security = Move away from herd
Some software only runs in certain OS’s
Can make upgrading OS’s less scary
Access to OS’s specific features and apps

4. Four most popular current desktop operating systems
1 Windows
2 Macintosh OS X
3 Linux (we use the Ubuntu version in lab)
Ubuntu (you can try before you install)
4 Chrome OS (Not the web browser. Usually on a Chromebook.)

5. Ways to use different OS’s
Multi-Boot Computer
Use On Old Outdated Computer
Virtual Computer

6. Multiple Boot Computer
What is it?
You create multiple partitions on your hard drive.
You install different operating systems on different partitions.
Pick out which OS to use when computer starts up,

7. Multiple Boot Computer
Pros:
Fastest way to run another operating system.
Good for gaming
Cheap (Linux is free).
Can run less popular operating system on your computer to access the Internet more securely.
Can run Windows only software in a Mac.
Cons:
Partitioning a drive is risky (make sure to have complete backup in place before attempting).
Need to reboot computer to use other operating system.
Need a Windows license. $

8. Multiple Boot Computer
How is it done? (Warning: Have a complete backup before you partition your drive.)
Putting Windows on a Macintosh computer.
Get Windows with license. Run the Apple Boot Camp Assistant program located in the Utilities folder. It will step you through the process of installing Windows.
Putting Mac OS on a Windows computer.
Not legal to do.
Putting Ubuntu on a Windows or Mac computer follow directions here:

9. Install OS On Old Computer
What is it?
You can take an older Mac or Windows computer and give it new life by installing a different operating system.

10. Install OS On Older Computer
Pros
Great way to use an older computer that is considered unusable.
Can buy a cheaper, older computer instead of a new expensive one.
OS is free.
Increased security.
Cons
None

11. Install OS On Older Computer
How is it done?
Putting Ubuntu on an older computer.
Follow Ubuntu directions here:

12. Virtual Computers What is it?
You install software that allows you to create virtual operating systems on your computer.
You can then run multiple operating systems on your computer at the same time.
You can create as many virtual operating systems as you have room on your hard drive.

13. Virtual Computers Pros: Cons:
No need to reboot computer to use other operating systems.
Can use less popular operating system to access Internet for more security.
Can access Mac/Windows at same time as virtual OS.
Do not need to partition hard drive.
Cons:
Slower way to run another operating system.
Not as good for gaming
May have to pay for virtualization software.

14. Virtual Computer On A Windows or Mac
How is it done?
First you install the virtual software
Parallels Desktop $
VMware Fusion $
VirtualBox $Free
Then create new virtual operating systems.
Open and run as many operating systems as your computer is capable.

15. Easiest and Free Way To Install Ubuntu on Windows or Mac
Download and Install Virtual Box
Download Ubuntu image
Ubuntu
Run Virtual Box and install Ubuntu as guest OS
Install Guest Additions

16. Feel free to bring your computer to the second half of any of my labs for help installing other operating systems.