Learn to use Vim Editor in Red Hat Linux Administration – Part 1
A key point that one should always remember when it comes to UNIX: Everything in UNIX (and Linux as well) is a file. That...
Learn about Constructors as Object Oriented Programming in C++
After introducing the Object-Oriented Programming concept: what it is, and what it is used for. And after we wrote our first Class program, we...
Learn about Ternary Operator & switch Statement in C# programming
In the previous article, we started to discuss the topic of conditionals and decision making in C#. We have learned the if…else statement and...
Learn How to Create and Manage Basic Partitions using GUI Tool Part 2
After learning the GUI method for partitioning disks into basic partitions (Palimpsest Disk Utility), it is time to discuss the other method: using the...
Learn about Text Processing Tools in Red Hat Linux Administration – Part 1
Data is the most valuable asset for any organization. Data may be numeric: like integers that represent serial numbers, day of the month, and...
Learn about Text Processing Tools in Red Hat Linux Administration – Part 3
Welcome to part three of About Text Processing Tools topic.
The AWK Tool
The awk command uses a set of user-supplied instructions to compare a set...
Learn about Error handling in C# Programming
Error handling refers to the methods and techniques that a programmer uses to anticipate and work with errors that might happen during application execution.
What...
Learn about different types of Loops in C# Programming
Another means to control the flow of code execution in a program: Loops.
Loops refer to instructing the application to execute a statement or a...
Learn about Abstract Classes and Virtual Functions in C++
In the previous article, we were introduced to Inheritance. At the end of that article, I gave you a hint about Abstract Classes. I...
Learn how to Manage Users and Groups in Red Hat Linux Part 4
Adding Users to Group (cont.)
Another way to add users as members of a group is to directly edit the /etc/group file.
To add users ahmed,...