Operating Systems (OS) are the most fundamental software elements. Their purpose is to manage and coordinate the activities and limited resources provided by the hardware presenting an application programming interface (API) eliminating the need for application programmers to concern themselves with the specifics of hardware control. UNIX™ and Linux™ are two of the most commonly deployed operating systems in software development environments.

The courseware in this directory will satisfy all levels of interaction with UNIX and Linux from the desktop application user to the system administrator concerned with enterprise level security.