Università degli Studi di Urbino Carlo Bo / Portale Web di Ateneo


OPERATING SYSTEMS
SISTEMI OPERATIVI

Operating Systems
Sistemi Operativi

A.Y. Credits
2012/2013 12
Lecturer Email Office hours for students
Emanuele Lattanzi Thursday, from 4 pm to 6 pm.

Assigned to the Degree Course

Date Time Classroom / Location

Learning Objectives

To illustrate operating systems concepts, focusing on description of operating system building blocks such as process management, scheduling, virtual memory and I/O management. 

Program

01. Introduction:
     01.01 Introduction to the operating systems.
     01.02 Operating systems structure.
     01.03 Operating System functions.
     01.04 System calls.

02. Processes:
     02.01 Processes management.
     02.02 Context switch.
     02.03 Thread vs. Processes.
     02.04 Communication between processes.

03. Synchronization:
     03.01 The critical sections problem.
     03.02 Synchronization tools.
     03.03 Synchronization problems and deadlock.

04. Scheduling:
     04.01 Basic scheduling concepts.
     04.02 Scheduling policies
     04.03 Scheduling algorithm.
     04.04 Thread scheduling.

05. Linux scheduling:
      05.01 Process descriptor.
      05.02 Main characteristics.
      05.03 The 2.4.x. scheduler.
      05.04 The 2.6.x. scheduler
      05.05 The SMP scheduler.

06. Main memory:
     06.01 Main memory organization.
     06.02 Paging.
     06.03 Structure of the page table.
     06.04 Segmentation.
     06.05 Examples: Pentium Intel, Linux.

07. Virtual memory:
     07.01 Demand paging.
     07.02 Page replacement.
     07.03 Frames allocation.
     07.04 Memory mapped files.

08. File system:
     08.01 File system concepts.
     08.02 Mounting, sharing, protection.
     08.03 Implementation.
     08.04 Allocation methods.
     08.05 Free space management.

09. Magnetic disks:
      09.01 Disk structure.
      09.02 Disk performace.
      09.03 Scheduling algorithms.

10. Input/output systems:
     10.01 Polling interrupt and DMA.
     10.02 Block and character devices.
     10.03 Kernel I/O subsystem.

11. Virtual machines:
     11.01 Abstract virtual machines.
     11.02 Real virtual machines.
     11.03 Virtual machines structures.
     11.04 JVM - Java Virtual Machine.

12. The Android OS:
     12.01 Structure.
     12.02 The Dalvik virtual machine.
     12.03 Applications.
     12.04 Message passing: Intents.

13. Laboratory activity:
     13.01 Processes management in UNIX-like operating systems.
     13.02 Thread management in UNIX-like operating systems: pThread
(POSIX) library.
     13.03 Introduction to Java programming language.
     13.04 Java threads management.
     13.05 Java synchronization tools.

Bridging Courses

Algorithms and Data Structures, Computer Architecture, Procedural and Logic Programming.

Didactics, Attendance, Course Books and Assessment

Didactics

Theory lectures and laboratory exercises, both face-to-face and on-line.

Attendance

Although recommended, course attendance is not mandatory.

Course books

Silbershatz, Galvin, Gagne, "Sistemi Operativi Concetti ed Esempi", Pearson

Tanenbaum, "I Moderni Sistemi Operativi", Pearson

Ancilotti, Boari, "Programmazione Concorrente e Distribuita", McGraw-Hill.

Bovet, Cesati, "Understanding the Linux Kernel", O'Reilly

Goetz, Peierls, Bloch, Bowbeer, Holmes, Lea, "Java Concurrency in Practice", Addison-Wesley

Assessment

Individual project, written exam and oral exam.
The individual project, which has to be submitted at least seven days before the written exam, is passed if the mark (which is valid for all the exam calls on the academic year) is at least 18/30.
The written exam, which can be taken only if the project is passed, is passed if the mark (which is valid for all the exam calls on the academic year) is at least 18/30.
The oral exam, which can be taken only if the project and the written exam are passed, determines a spread between -10/30 and 10/30 of the average of the two previous marks, thus yielding the final mark.

Notes

The course is offered both face-to-face and on-line within the Laurea Degree Program in Applied Computer Science.

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