Welcome to the Linux Knowledge Base and Tutorial
so you want to learn how to use the Bash command line interface (terminal) on Unix/Linux. Or, it’s part of a subject you’re doing and so you’re learning it because you have to. Either way, that’s great. You’re learning how to use a powerful tool that can make your life easier, and make you awesome (more so than I’m sure you already are) .
Complete tutorial will cover the below things:-
- Installation – Installation of different flavor of Linux
- Un installation –
- The Command Line – What is it, how does it work and how do I get to one.
- Basic Navigation – An introduction to the Linux directory system and how to get around it.
- More About Files – Find out some interesting characteristics of files and directories in a Linux environment.
- Manual Pages – Learn how to make the most of the Linux commands you are learning.
- File Manipulation – How to make, remove, rename, copy and move files and directories.
- Vi Text Editor – Discover a powerful Linux based text editor.
- Wildcards – Also referred to as globing, this is a means to refer to several files in one go.
- Permissions – Learn to identify and change the permissions of files and directories and what the consequences of these are.
- Filters – An introduction to various commands that allow us to mangle data in interesting and useful ways.
- Grep and Regular Expressions – Master a powerful pattern matching language that is useful for analyzing and processing data.
- Piping and Redirection – Join commands together in powerful combinations.
- Process Management – See what is currently running on your Linux system and what state the system is in, learn how to kill programs that have hung and put jobs in the background.
- Scripting – Be happy. Get the computer to do tedious and repetitive tasks for you.
- Cheat Sheet – A quick reference for the main points covered in this tutorial.
- Administration
- Memory Management
- Networking
- Email System
- File System and File Management
- Utilities
Why Hackers Use Linux
So why do hackers use Linux over other operating systems? Mostly because Linux offers a far higher level of controlRead More »
Linux Memory Issues
A simple truism: memory issues exist. The very fact that we program in languages such as C (and C++) implicitlyRead More »
CLI, not GUI
The Unix OS, and all its applications, utilities, and tools, were always built to be used from a command-line-interface (CLI),Read More »
The Unix philosophy in a nutshell
To understand anyone (or anything), one must strive to first understand their (or its) underlying philosophy; to begin to understandRead More »
Configuring CentOS Run Levels and Services

Read More »
Why Use Linux?
The reason that you should learn Linux and start deploying Linux is for server functionality. Linux is incredibly rock-solid. OnceRead More »
Server vs. Desktop
There are generally two versions of Linux that everybody is going to provide. Whether you get Red Hat Linux, UbuntuRead More »
Capitalization
Let us now talk about something that just messes with every Windows user’s head when making the switch to Linux:Read More »
The Linux Shell
let us now talk about the shell of the Linux operating system. So what is a shell? The shell ofRead More »
A Brief History of UNIX and C
The first UNIX implementation was developed in 1969 (the same year that Linus Torvalds was born) by Ken Thompson atRead More »
Installing Apache Cassandra on CentOS 7
Prerequisites The user you are logged in as must have sudo privileges to be able to install packages. Installing Apache Cassandra TheRead More »
how to run C Program in ubuntu
Step 1. Open text editor. Step 2. Write a Program. Step 3. Save the program with the extension .C .Read More »
how to find network card number in ubuntu??

Read More »
The Linux desktop environment

Read More »
GNU utilities

Read More »