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
shell embedding and options
shell embedding Shells can be embedded on the command line, or in other words, the command line scan can spawnRead More »
shell variables
In this post we learn to manage environment variables in the shell. These variables are often needed by applications. $Read More »
control operators
In this post we put more than one command on the command line using control operators. We also briefly discussRead More »
commands and arguments(shell expansion)
arguments One of the primary features of a shell is to perform a command line scan. When you enter aRead More »
the Linux file tree
This post takes a look at the most common directories in the Linux file tree. It also shows that onRead More »
working with files
In this post we learn how to recognise, create, remove, copy and move files using commands like file, touch, rm,Read More »
working with linux directories
This module is a brief overview of the most common commands to work with directories: pwd, cd, ls, mkdir andRead More »
LINUX MAN PAGES
This post will explain the use of man pages (also called manual pages) on your Unix or Linux computer. YouRead More »
LINUX LICENSING
This post briefly explains the different licenses used for distributing operating systems software. about software licenses There are two predominantRead More »
LINUX DISTRIBUTIONS
This post gives a short overview of current Linux distributions. A Linux distribution is a collection of (usually open source)Read More »
Linux history
This post briefly tells the history of Unix and where Linux fits in. 1969 All modern operating systems haveRead More »
Famous Hackers
Jonathan James Jonathan James was an American hacker. He is the first Juvenile who send to prison for cybercrime inRead More »
Use of Colon in Shell script
Use of Colon in Shell script Sometimes it is useful to have a command which does “nothing”. The : (colon)Read More »
Use of Semicolons in Shell Script
Use of Semicolons in Shell Script Instead of being on separate lines, statements can be separated by a semicolon (;)Read More »
if Statement in Shell Script
if Statement in Shell Script Simple form: if decision_command_1 then command_set_1 fi Example: if grep unix myfile >/dev/null thenRead More »