In this Bash tutorial we will show you how to use trap to exit a script cleanly. It can be used to clean up temporary files, ensure service availability after a script exits, ensure ports are secured and much more. A text version of this tutorial can be found here: https://www.putorius.net/using-trap-to-exit-bash-scripts-cleanly.html 0:00 Introduction to Bash Exit Trap 0:49 What is trap? 1:31 The wrong way to clean up on script exit 2:05 How to use trap on exit to clean up temporary files 2:53 Using traps to ensure service availability 3:31 Ensure ports are closed after script exit 4:02 Using a function in a trap call 4:20 Conclusion