History of reliability systems, objectives, scope and techniques, definitions, basic assessment of constraints, reliability and availability program plans, reliability requirements, reliability culture, human errors, human factors, reliability prediction and improvement, design for reliability: statistics based approach, physics of failure based approach, common tools and techniques. , reliability modeling, reliability theory, quantitative system reliability parameters. reliability testing: reliability test requirements, accelerated testing, software reliability, comparison to safety engineering: fault tolerance, basic reliability, detectability and common cause failures. operational reliability assessment, organization, education.