Wildcards in Linux are symbols or a set of symbols that can be used to represent other characters. For example, they can be used to substitute for characters in a string in order to simplify searching for certain files and directories.

In this lab, you will utilize wildcards and character classes in a Linux environment. The commands used in this lab have been covered in the Wildcards in Linux course. References to the specific lessons of the course will be provided throughout the lab steps.

The expected outputs for each lab step are provided as comments in the lab script file.

Learning Objectives

Upon completion of this lab, you will be able to:

• Use wildcards to perform actions on one or more files at a time
• Use character classes to find matching pieces of text in a file

Intended Audience

• Those beginning to work with Linux
• Those looking to gain experience with basic shell scripting
• Software Engineers
• DevOps Engineers

Prerequisites

You should be familiar with the following shell scripting features before attempting this lab:

• Wildcards
• Character Classes
• Vim, Nano, or Emacs

Refer to the following courses to fulfill the prerequisite:

• Shell Scripting, Succinctly
• Wildcards in Linux