loader

Variable

Variables A symbolic name for a chunk of memory to which we can assign values, read and manipulate its contents. A variable in bash can contain a number, a character, a string of characters. Variable in Bash dose not have data types. You have no need to declare a variable, just assigning a value to […]

Input, Output and Error Redirections

Input, Output and Error Redirections Based on the concept of ANSI, input/output streams called standard output and standard input, everything that runs in a shell can communicate in three ways – it can receive inputs from standard input, it can output results and information to standard output, and it can report errors to a separate […]

What is Bash Scripting

This Bash scipting tutorial is designed for beginners and Intermediate levels. You will learn all of concepts that we may face in Bash Scripting. Also, we will provide an advanced course for administrators and specialists who wants to learn Bash Scripting for working with specific fields like Linux Administration and cisco automation etc. Before learning […]

LPIC1-006-Shell Basic commands-Part II

pwd Command The “pwd” command is one of the most frequently used commands in the short form of Print Working Directory. Each time users interact with the shell, they work within a directory. So the “pwd” prints the directory that the user is currently working within. “pwd” without any options, displays the full path to […]

LPIC1-005-Shell Basic commands-Part 1

This post will introduce some of the basic standard Linux commands. Knowing these commands is crucial for understanding the following concepts. These basic commands are usually the same in all Linux distributions; therefore, their results are the same. We used CentOS Stream release 9. For more information about choosing distros, we suggest reading this post: […]