Explore the process of customizing SAP Business Application Studio using dotfiles in this comprehensive one-hour video tutorial. Learn how to create a fresh dev space, examine the basic shell structure, and delve into the appstudiosetup script. Discover the differences between out-of-the-box shell files and customized versions, and understand the organization of bash settings in bashrc.d. Follow along as the tutorial demonstrates invoking the appstudiosetup script, analyzing its effects, and starting a new shell to implement changes. Gain insights on symbolic links to Theia settings, potential issues with .bashrc overwriting, and the benefits of using shellcheck for improved shell script writing. No prior experience with dotfiles is required to benefit from this in-depth exploration of SAP Business Application Studio customization.