This is an intermediate course that requires pre-existing work with a Linux/Unix like Operating System. This course focuses on the administrator role of a system and the tools needed to perform common administration tasks. Students will learn how to navigate a package manager, configure a boot manager, and monitor tasks. In depth use of regular expressions will be taught so students can process logs and enforce appropriate resource usage. In depth discussion on the relationships between users, groups and services will be addressed as well as the security principles that follow.