This document provides information about an Operating Systems course offered at the University of Texas at San Antonio in Spring 2011. The course will cover principles of operating systems theory and practice, including fundamental concepts such as processes, threads, synchronization, communication, and distributed systems. It will be taught on Mondays and Wednesdays from 2-3 PM. The instructor is Prosunjit Biswas and evaluation will be based on homework, quizzes, a final exam, projects, and attendance. Required textbooks are listed.