EmeryBergerUniversityofMassachusetts,Amherst.ppt

November 12, 2000 Memory Management for High-Performance Applications - Ph.D. defense - Emery Berger Operating SystemsCMPSCI 377Lecture 1 Emery Berger University of Massachusetts, Amherst Information Course web page: /~emery/cmpsci377 My contact info: emery@ Phone: 413-577-4211 Office hours by appointment TA’s: Gene Novark, Louis Theran Discussion section: W 12:20 – 1:10, Hasbrouck 138 Today’s Class Administrivia: Course organization outline Prerequisites course sign-up Introduction History of Operating Systems Course Organization Capacity is 50 Class: junior or senior-level Not for freshman or sophomores Enrollment policy If space becomes an issue,graduating seniors get preference Prerequisites CMPSCI 187 (Data Structures) CMPSCI 201 (Architecture) Textbook: Operating Systems(Deitel, Deitel Choffnes) Course Requirements Class participation: 10% (includes in-class quizzes) Homework: 10% Programming projects: 40% Exams (two in-class, one final): 40% Programming assignments: Java Strict late policy – not accepted late Cheaters will be found and punished Will use sophisticated software to detect plagiarized programs Course Organization Accounts in EdLab: 30+ Linux PC’s Discussion section to help you with lab assignments Office hours and location of TA’s: Gene Novark: to be announced gnovark@ Louis Theran: to be announced theran@ Introduction to Operating Systems What’s an operating system? (OS) Why are OS’s important? Historical perspective on operating systems What’s An Operating System? Definition has changed over years Originally, very bare bones Now, includes more and more Bill Gates: Windows = Everything in other operating systems Internet Explorer Media player “even a ham sandwich” (DOJ vs. Microsoft) OS: More Traditional View Interface between user and architecture Hides architectural details Implements virtual machine: Easier to program than raw hardware (hopefully) Provides services and coordinates machine activities Operating Systems: Key Feat