Outline for April 7, 2008

Reading: Text, §4.1, 4.3, 4.5, 4.6

1. Greetings and felicitations!
2. User interface
   1. Kernel, essential utilities, optional utilities
   2. Command interpreter: JCL for batch, command language for interactive
   3. Program vs. environment
   4. Invoking programs; global vs. local environment
   5. Other features: interrupt, suspend, background, command completion
3. System kernel
   1. First level interrupt handler
   2. Dispatcher
   3. IPC primitives