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Introduction to Linux - A Hands on Guide
This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter.
For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own.
Click Here to receive this Complete Guide absolutely free.
In the cases where the derived classes may share the common functionality
but with altogether "different" definitions, it makes sense to force the
developers to create their own definitions for those common functions in
concerned derived classes.
This can be achieved by making the class "abstract".
A class is called an "abstract" class when it contains at least one "pure
Object oriented programming is all about representing the parts of
the problem statements as `objects` and having them interact with
each other (by calling function(s) of the object in question).
Every object has a type. The type of an object is often called a
`class` in object oriented programming. The class contains the list
of characteristics of the object and the functions which the object
is capable of performing.
We can have many...