OPERATING SYSTEMS
SISTEMI OPERATIVI
Operating Systems
Sistemi Operativi
A.Y. | Credits |
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2014/2015 | 12 |
Lecturer | Office hours for students | |
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Emanuele Lattanzi | Thursday, from 4 pm to 6 pm. |
Assigned to the Degree Course
Date | Time | Classroom / Location |
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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
Although there are no mandatory prerequisites for this exam, students are strongly recommended to take it after Algorithms and Data Structures, Computer Architecture, Procedural and Logic Programming.
It is also worth noticing that the topics covered by this course will be used in Computer Networks.
Teaching, Attendance, Course Books and Assessment
- Teaching
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
Written exam of concurrent programming and oral exam.
The written exam is passed if the mark is at least 18/30.
The oral exam can be taken only if the the written exam is passed
- Disabilità e DSA
Le studentesse e gli studenti che hanno registrato la certificazione di disabilità o la certificazione di DSA presso l'Ufficio Inclusione e diritto allo studio, possono chiedere di utilizzare le mappe concettuali (per parole chiave) durante la prova di esame.
A tal fine, è necessario inviare le mappe, due settimane prima dell’appello di esame, alla o al docente del corso, che ne verificherà la coerenza con le indicazioni delle linee guida di ateneo e potrà chiederne la modifica.
Notes
The course is offered both face-to-face and on-line within the Laurea Degree Program in Applied Computer Science.
Additional lecture notes and information:http://www.sti.uniurb.it/lattanzi/OS.html
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