This article will guide you on different methods of creating and running a #shell #script in #Ubuntu 20.04. Shell Scripting is an open-source #computer program designed to be run by the #Unix / #Linux shell. Shell Scripting is a program to write a series of commands for the shell to execute. To write and execute a script: 1. Open the #terminal. Go to the directory where you want to create your script. 2. Create a file with . sh extension. 3. Write the script in the file using an editor. 4. Make the script executable with command chmod +x . 5. Run the script using ./.