Operating Systems and Utility Programs

1. System Software

1.1. Operating systems

1.2. Utility programs

2. Embedded Operating Systems

2.1. Windows Embedded CE

2.2. Windows Mobile

2.3. Palmos

2.4. Iphone os

2.5. Blackberry

3. Operating System Functions

3.1. single user and multiuser

3.2. Preemptive multitasting

3.3. Multiprocessing

4. Stand-Alone Operating Systems

4.1. Windows vista Home

4.2. Windows vista Ultimate

4.3. Windows vista Business

4.4. Windows vista premium