Bash Shell: ‘Exec’, ‘Eval’, ‘Source’ – What is the Difference
The Bash shell provides powerful commands such as exec, eval, and source that can be used to manage Linux systems. Read this guide for more details.
How to Use Special Variables in Bash
This article covered bash scripting, numerous bash special variables, how and where to apply them, and how to execute programs in it.
How Do I Compare Numbers in Bash?
This discussed how to use the bash script to compare integer numbers. Additionally, we covered how to use several operators in a bash script.
Bash if –e and –s and other File Test Operators
This article discussed the test operators. While working with files, the test operators are the most essential utility provided by Linux packages.
How Do I Save a Curl Output to a File?
This have briefly studied the concept of the curl command and how it is used to download files from the browser just using a specified link of the file.
Using the “awk” Command to Print the Last Column from a File
In this article, we have discussed an “awk” command that is widely used to directly hit the content of the file that is needed.
How to Rename a Batch of Files in Linux
Practical tutorial on the different ways of renaming the batch of files in Linux using the mv, re-name, mmv, and qmv commands with the loop or other commands.
Bash Pipe Tutorial
Comprehensive tutorial on the different common uses of the pipe (|) operator of Bash to execute two or more commands at a time in Linux using various examples.
Bash Error Handling
Tutorial on the different ways to handle the errors in the Bash script to implement the error-handling feature in their Bash script using multiple examples.
How to Use the Bash “If –Z” and “If –N” Statements to Test the String
Practical guide on the uses of both if z and if n statements to help the Bash users to properly apply these statements in their script using multiple examples.
How to Use the Sed Command to Replace a String in a File
Practical guide on the sed command to do the search and replace task of a string in a file easier using different search patterns along with practical examples.
Bash Built-In Commands
Tutorial on the most commonly used Bash built-in functions using different types of examples to help the new Bash users to work in the Linux environment.
How to Use the Curl Command in Bash
Practical tutorial on the basic uses of the curl command in Bash to communicate with the server and perform the different types of tasks using various examples.
Bash PATH Tutorial
Tutorial on the methods of executing the script from any location by storing the script location path in the $PATH variable along with practical examples.
How to Use the Stdin, Stderr, and Stdout Streams in Bash
Tutorial on the uses of stdin, stdout, and stderr using multiple examples to understand the concept of these streams and use them properly when required.
Linux Screen Command Tutorial
Practical tutorial on the basic uses of the screen command to open a single terminal window in multiple instances by creating multiple screen windows.
Bash Declare an Empty Array?
This is on creating an array in bash. We discussed two types of arrays that can be created in the bash and how we can reserve the memory location for an array.
Linux TMUX Command Tutorial
There is a unix-based tool called tmux which not only provides terminal splitting but also provides other useful features and shortcut keys with it for the frequent users of terminal.
Export Variables in Bash
The built-in export command of the bash shell is intended to export the environment variables to the subshell. We have illustrated the export command here.
Grep for Multiple Patterns or Strings
Practical tutorial on the Linux grep command for multiple patterns or strings by creating three files on the operating system and using different commands.