• OS Viewed from outside
• OS Viewed from inside
• C run time Environment

2. List and Queue Manipulation

• Linked list of processes
• Implementation of the Q structure
• Priority Queue Manipulation, List initialization

• Process Table (Proctab)
• Process states
• Selecting a ready process
• Null process
• Making a process ready

4. Process Management

• Process suspension and resumption
• System calls (kernel/user modes)
• Process termination
• Kernel Declarations
• Process creation
• Utility routines to deal with process management                                          Top

• Coordination techniques High level
• Coordination primitives
• Semaphore creation and deletion

6. Message Communication

• Message passing design in Linux
• Message passing design in embedded OS
• Implementation of send
• Implementation of receive
• Write applications using IPC procedures

7. Memory Management

• Dynamic memory requirements in Linux
• Dynamic memory requirements in embedded OS
• Low-level memory management procedures
• Location of allocated storage
• Implementation of Memory management in Linux

8. Interrupt Processing

• Dispatching interrupts Input and Output
• Interrupt Dispatchers
• Rules for interrupt processing
• Rescheduling while processing interrupt

9. Real-Time Clock Management

• The RT clock mechanism
• Clock Interrupt processing
• Optimization of Clock interrupt processing
• Use of Real Time clock
• Delta list processing
• Putting a process to sleep
• Delays Measured in Seconds
• Awakening of sleeping process
• Deferred clock processing
• Clock interrupt processing
• Clock Initialization                                                                                    Top

10. Device Independent I/O

• I/O interface properties
• Abstract Operations
• Binding Abstract Operations to real Devices
• Binding I/O calls to Drivers at Run time
• Implementation of high level I/O operations
• Operating and closing of devices
• Device Table
• Initialization of the I/O system
• Interrupt Vector Initialization

11. An Example Driver on Linux

• Upper and lower halves of tty driver
• Synchronization of Upper and lower halves
• Upper half tty I/O Driver routines
• Tty control block initialization
• Device Driver control

• Starting from Scratch
• Booting OS
• System srtartup
• Finding the size of memory
• Initializing kernel data structures
• The map of low core

• Operation of the frame manager
• Details of the frame level protocol
• Messages,packets,Frames,Blocks and Network Layer
• Packet transfer across internet
• Frame level processing
• Frame Format
• Interface between Frame and internet layers
• Frame Level I/O process
• Implementation of the Timer
• Initialization of the frame layer

• Disk and File servers
• Data Structures for the file system
• Implementation of the I-Blocks
• The Directory Structure
• Using Device switch Table for Files
• Establishing a Pseudo-Device
• Pseudo Device Driver Routines

• Exceptions, Traps, and Illegal interrupts
• Implementation of Panic
• Formatted output                                                                                    Top