Chapter 4

1. Operating system control structures

1.1. Process identification data

1.2. Process state data

1.3. Process control data

1.4. IO status information

1.5. Accounting information

1.6. Memory management information

1.7. CPU scheduling information

1.8. CPU registers

2. Processes and threads

2.1. Processes

2.1.1. everything that can affect, or be affected by, the process: code, data, call stack, open files, network connections, etc

2.2. Threads

2.2.1. Concurrent execution on multiprocessors

2.2.2. Most common usage for threads: large server applications

2.2.3. Thread is unit of sequential execution