Courses Offered :

Shell Scripting:

Introduction to Kernel

• History of Linux
• Types of Kernel
• The Linux kernel
• Kernel Architecture

Compilation and linking technique

The Boot Process

• BIOS Level
• Boot Loader
• Setup, startup_32 functions
• The start_kernel () function

• Tools used to detect memory access error and
• Using gdb and ddd utilities

The File System

• Virtual File system & its role
• VFS data structures super_block, inode, file, dentry
• Files associated with a process
• System Calls

Process management

• Process Defined
• Process Descriptor Structures in the kernel
• Process States
• Process Scheduling
• Process Creation
• System calls related to process management

Inter Process Communication

• Pipes, Fifo's, and signals
• Message queues
• Shared memory
• Semaphores

Network / Sockets Programming

 An Overview

• System calls related to TCP and UDP sockets
• Layering Arc
• OSI, TCP Models
• TCP, IP, UDP
• ARP, RARP.
• ICMP (Error Reporting,
• Relevant examples on clientserver model

Sockets

• Outline of Linux domain Sockets
• Sock addr structure
• Elementary Socket System Calls
• Socket Options
• TCP/UDP Client/Server examples

Client/Server Application Design

• Interactive Servers
• Concurrent Servers

Threading

Memory Management

• Defining and Creating secondary memory areas
• Responsibilities of Memory Management Module
• Memory allocation & deallocation system calls malloc, calloc, alloca, free
• Demand Paging defined
• Process Organization in Memory
• Address Translation and page fault handling
• Memory allocation strategies
• Buddy System Algorithm
• Slab Allocator
• Swapping Memory Areas
• Memory Mapping

An introduction to device drivers

• Role of the Device Drivers
• Splitting the kernel
• Classes of devices and modules
• Kernel Architecture or Model

Module Basics

• Introduction to Modules & Device Drivers
• Modules Defined
• Types of Modules in the kernel
• Writing Your first kernel module
• Module Related Commands
• Kernel Module vs. Applications
• User space vs. Kernel space
• Exporting symbols from modules
• The kernel symbol table

• Atomic functions, Bit Operations
• Linked List, Memory barriers
• Semaphores
• Basic memory Management

Time intervals in the kernel

• Delaying execution, Kernel timers
• The proc file system

Character Device Drivers

• Registering a character device driver
• File operations
• The file structure
• devfs / lseek /ioctl
• Blocking, non blocking and asynchronous operations

Hardware and Interrupt Handling

• Using IO Ports
• Installing and implementing an interrupt handler
• Tasklets and Bottom halves
• Task queues

Block Device Drivers

Introduction to Network Drivers

Kernel Recompilation

• Importance of make files
• Procedure to recompile the kernel

Implementing System Calls

• System Calls Defined
• System Calls and APIs
• System Call Table
• Unistd.h and entry S files
• Implementing a new system cal