A Apptainer image can contain a runscript. This script is executed inside the container after the `apptainer run` command is used. The runscript is mostly used to run an application for which the container is built. In the following example, it is the `fortune | cowsay` command:
An Apptainer image can contain a runscript. This script is executed inside the container after the `apptainer run` command is used. The runscript is mostly used to run an application for which the container is built. In the following example, it is the `fortune | cowsay` command: