"Everything is a file in Linux" and that is the reason most Linux users spend a large chunk of time tinkering the file contents. This is where the importance of the grep command plays a crucial role by letting you search and match patterns within text files or get an output.So in this tutorial, I will walk you through all the essentials required to learn the grep command:The basic syntax and popular flags of the commandPractical examples of the commandPractice questions for grep command Here's How to Use the...