C Programming

Content Outline:

Introduction to the C Language

The C Language and its Advantages

The Structure of a C Program

Writing C Programs

Building an Executable Version of a C Program

Debugging a C Program

Examining and Running a C Application Program

Data Types and Variables

Data Types

Operands, Operators, and Arithmetic Expressions

Input/Output Management

Input/Output Management

The getchar() and putchar() Functions and Single-character I/O

Formatted Input and the scanf() Function

Control-flow Statements

The Control-flow Program Statements

Looping Statements

The Data-checking Process

Modular Programming with Functions

The C Function

Passing Data to Functions

Passing an Address to Modify a Value in Memory

Using Functions in the Checkbook Program

The C Standard Library Functions

Arrays, Pointers, and Strings

Arrays

Pointers

Strings

Using Arrays, Strings, and Pointers in the Checkbook Program

Structures and Dynamic Memory Allocation

Structures

Arrays of Structures

Passing Structures to Functions

Nested Structures

Dynamic Memory Allocation

The Preprocessor and Multiple-file Compilation

The C Preprocessor and the #include and #define Directives

The Conditional Compilation Directives

Global Variables and Variable Storage Classes

Program Organization and Multi-file Compilation

File Input/Output

Command-line arguments

File Input and Output

Combining Command-line Arguments and File I/O

UNIX Internals

General Overview of the system

History

System Structure

Operating System Services

Assumptions About Hardwares

Introduction to the Kernel

Architecture of the UNIX Operating System

Introduction to system concepts

Kernel Data Structures

System Administration

Exercises

The buffer cache

Buffer Headers

Structure of the buffer pool

Scenarios of Retrieval of a buffer

Reading and writing Disk Blocks

Advantages and disadvantages of the buffer cache

Internal Representation of file systems

Inodes

Structure of a regular file

Directories

Conversion of a Path name to an Inode

Super Block

Inode assignment to a new file

Allocation of disk blocks

Other file types

System calls for the file systems

Open

Read

Write

File and Record locking

Adjusting the position of file I/O-Lseek

Close

File Creation

Creation of Special Files

Change directories nd change root

Change owner and change mode

STAT and FSTAT

Pipes

Dup

Mounting and Unmounting of File systems

Link

Unlink

File system Maintenance

Structure of Processs

Process States and Transitions

Layout of system memory

The context of a process

Saving the context of a process

Manipulation of the process Address Space

Sleep

Process Control

Process Creation

Signals

Process Termination

User Id of a Process

The Shell

System Boot and Init Process

Memory Management Policies

Swapping

Demand Paging

A Hybrid system with Swapping and demand paging

The I/O Subsystem

Driver Interfaces

Disk Drivers

Terminal Drivers

Streams

Interprocess Communication

System V IPC

Network communication

Socket

Shell Scripting (KSH)

The KSH

          Ksh wildcards

          I/O redirection

          History

          Aliases

Working with KSH

          Variables

          Predefined Variables

          Environment Variables

Korn Shell Scripts

          Your First Scripts

          Writing Scripts

          Scripts Arguments

          Basic debugging options

          Conditional execution

          Conditional expressions

          Interactive command (read)

          Case command

          Select command

          For Loop

          While / until loop

          Arithmetic Expression

          Ksh function

Sed – A non-interactive stream editor

          Usage

          General Syntax

          Various Editing Commands

          Advanced Commands

Awk-A Pattern Scanning and Processing Language

          Usage

          Records Fields and Variables

          Printing Functions

          Conditions

          Operators

          Condition commands and loops

Make – Makefiles

          The idea behind make and makefiles

          How to build an application

          Syntax

          Target

                                       Perl Scripting

Perl

Introduction

How to run Perl

Working trough an example

Syntax on Unix

Variables

Variables Interpolation

Expression

Expressions with Scalars

Operation on Strings

Escaping Characters

Line Oriented Quoting

List Literals

Array

Specifying array Variables

Initializing an array

Array assignments

Multiple assignments

Accessing Elements

Shift and unshift

Sorting an array

Functions

Splice

Interacting with user

Chop function

Chomp function

File Operation

Open

Printing a file

STDIN

STDOUT

STDERR

ARGV

Special Variables

$!

$.

$_

@ARGV

Conditions

If /else Conditional examples

For Loop

While loop

Regular Expression

Character class

Pattern Abbreviations

Anchors

Multipliers

Hash (Associative Array)

Accessing a Hash element

Modifying a Value

Swapping keys and values

Using function ‘keys’ and ‘values’

Subroutine return values

Passing Arguments

                                                Linux/AIX

Introduction to AIX Kernel

Kernel Components

Address Space

Kernel Analysis Tools

Kernel debugger (kdb)

Process management / memory management /Input-Output management with respect to AIX

Basics of AIX admin

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