Primitive Data Types Primitive data types are the main built-in types, and could be used to build other data types. Type Description Declaration Naming Conven...

Non-Primitive Data Types Non-Primitive data types are user-defined data types created using primitive data types. Below are the different non-primitive data types: Classes A class combin...

Introduction to C# Difference between C# & .NET C# is a programming language. .NET is a framework for building applications on Windows. .NET framework consists of: Comm...

Control Flow and Iterations The flow of execution refers to the order in which the code of a program is executed or evaluated. Below are the control flow statements: Conditio...

Arrays and Lists An array in C# is a collection of elements of the same type stored in the exact memory location. There are different types of arrays: Single Dimensional Array - Si...

Windows is one of the most widely used operating systems in the world. It was developed by Microsoft and has evolved over the years to become a powerful and user-friendly platform for both personal...

To display the list of currently set environment variables: printenv To display the value of any specific environment variable: echo $[variable name] To check the value ...

Ubuntu is a popular Linux-based operating system known for its user-friendly interface, stability, and extensive software ecosystem. In this blog post, we will explore the key features and benefits...

Debian is a popular and influential operating system in the Linux ecosystem. It is known for its stability, security, and extensive package management system. In this blog post, we will explore the...

To check the debian configuration for postfix: debconf-show postfix | grep postfix Postfix Configuration File Location /etc/postfix/main.cf To check the logs: /var/log/mail.log To check the po...