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Category Archives: Linux-Unix

The Linux File Hierarchy Structure or the Filesystem Hierarchy Standard (FHS) defines the directory structure and directory contents in Unix-like operating systems. It is maintained… Read More
Ccrypt is a command line tool for encryption and decryption of data. Ccrypt is based on the Rijndael cipher, the same cipher used in the AES… Read More
dup() The dup() system call creates a copy of a file descriptor. It uses the lowest-numbered unused descriptor for the new descriptor. If the copy… Read More
The recovery mode does not work always because many systems will ask for the root password for logging in. Now, since you do not know… Read More
In computing, a named pipe (also known as a FIFO) is one of the methods for inter-process communication.   It is an extension to the traditional… Read More
This article aims at giving an introduction to magic numbers and file headers, how to extract a file based on magic numbers, and how to corrupt… Read More
While trying c graphic programming on Ubuntu, I figured out that graphic.h is not a standard C library and it is not supported by gcc… Read More
I got updates on for my Debian-based Linux operating system and in between system got crashed. It automatically rebooted, after that all I was able… Read More
This article will explore the basic Linux commands and how to use them.  1. ls: How would we know what a folder contains? With a… Read More
Clear the Terminal : In our daily life, we use to work on Terminal if we are using LINUX. Continuous working on terminal makes the terminal screen… Read More
Linux is the best-known and most-used open source operating system. As an operating system, Linux is software that sits underneath all of the other software… Read More
Zombie state: When a process is created in UNIX using fork() system call, the parent process is cloned. If the parent process calls wait() system… Read More
This article demonstrates how to print formatted text in Linux terminal using Python programming language. Formatted text(also called styled text or rich text) as opposed… Read More
While working on Eudyptula Challenge, I was needed to mail them the tasks in the plain text format, since the server rejects all the HTML… Read More
Kernel modules are pieces of code that can be loaded and unloaded into the kernel upon demand. They extend the functionality of the kernel without… Read More

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