This course provides an introduction to microcomputer operating systems. Topics include a description of the operating system, system commands, and effective and efficient use of the microcomputer with the aid of its system programs. Upon completion, students should understand the function and role of the operating system, its operational characteristics, its configuration, how to execute programs, and efficient disk and file management. .CIS249 satisfies the written communication proficiencies for Area I for the Cyber/ Security Technician Certificate and the Software Technician Certificate ONLY. This course is offered only in distance format in the fall and summer semester.