Operating Systems and Utility Programs

1. Embedded Operating Systems

1.1. Windows Embedded CE

1.2. Windows Mobile

1.3. Palmos

1.4. Iphone os

1.5. Blackberry

2. Stand-Alone Operating Systems

2.1. Windows vista Home

2.2. Windows vista Ultimate

2.3. Windows vista Business

2.4. Windows vista premium

3. System Software

3.1. Operating systems

3.2. Utility programs

4. Operating System Functions

4.1. single user and multiuser

4.2. Preemptive multitasting

4.3. Multiprocessing