Unix Commands are textual inputs used to interact with Unix-like systems, enabling efficient control over system resources and processes. Coursera's Unix Commands catalogue provides comprehensive learning about this powerful system interaction toolset. You'll learn to navigate, manipulate, and manage files and directories, control processes, and set permissions, among others. Beyond this, you'll gain knowledge in using advanced command-line features like pipes and redirection, scripting for automation, and system administration basics. Mastering Unix Commands will bolster your efficiency in a variety of roles, such as system administrator, developer, data scientist, or any field requiring robust system interaction capabilities.