Today I will be explaining a commonly used question technical job interview, Whether you are applying for an engineer, developer, marketer, or DevOps. It is always a good idea to have a good understanding of is going on behind the scenes when you type and URL on your web browser and…

Python: Mutable, Immutable… everything is an object! In Python, everything is an object, and everyone who wants to learn Python should understand from the beginning that objects in this programming language can be either mutable or immutable. Since in Python an object or class can be assigned to a variable or passed as an argument to a…

Not long ago, I wrote a detailed explanation of how to create and use static libraries, just in case you need a refresher, please check it in the link below: How to Create and Use a C Static Library A static library is always available when invoked by the program, In this article, I will explain what static library…medium.com Otherwise, I will start explaining how to create and use dynamic libraries.

The Shell is a user’s program that communicates with the system kernel through commands prompt from the user and then later interpreted in a way that system can understand it, so the commands that the user type in the Shell translates into instructions and system calls. Systems calls are a…

IOCCC (The International Obfuscated C Code Contest) is an annual programming contest with an obfuscated C code. In 1986 at the IOCCC they had a winner in which the category was “worst abuse of the C preprocessor”. This winner was Jim Hague in which his code was exotic. What is the obfuscated code? It is…

A static library is always available when invoked by the program, In this article, I will explain what static library is, how do they work, how to create one and how a computer program uses a static library. Why do we need libraries: The code of the software is made up…

Firstly, let’s talk a little bit about C. This is a multipurpose programming language developed by Dennis Ritchie at the Bell Laboratories near the 70s, designed to create small and fast programs. …

Hard and symbolic links refer to a file in the same hard drive and those methods are part of any filesystem that organizes what it is in each file and where. A hard link is usually a synced copy of a file that refers directly to the inode of a…

When you first type the ls command it will list all the files in the current directory, awesome right?!, if you actually want to go a bit further and do a specific search in your current directory then ‘ls *.c’ command will print on your terminal all the files that…