This program establishes the minimum requirements for the knowledge and skills of the student and determines the content and types of training sessions and reporting. The program is intended for teachers leading this discipline and students of specialties 351500 "Mathematical support and administration of information systems" and 220300 "Systems of computer-aided design" participating in the process of studying the discipline. The purpose of the course is to study the basics of building operating systems, the general principles of their construction, the functions performed, a detailed study of the operating systems of modern PCs, their commands, the acquisition of practical skills in the MSDOS environment, WINDOWS 98 /2000, LINUX . The course is based on the knowledge gained in the study of the disciplines "Algorithmic Languages and Programming" and "Computer Science"