Module Overview

Operating Systems

This elective aims to give the student a knowledge of operating systems. It aims to allow the student to implement and test programs that access resources using various system calls.

Module Code

OPER H4000

ECTS Credits

5

*Curricular information is subject to change

Introduction:

Types of OS: Batch: Interactive; Single-user; multi-user; Network OS; Distributed; Process Control/RTOS; System Service Interface; Hardware Interface; Interrupt Mechanism; Direct Memory Access;Software licensing, Open source licenses such as GPL and MIT.

Process Management:

Processes, Programs, tasks and threads. Process data structures. Process creation and termination, Thread creation, termination and detaching, Thread States, Context switching and Scheduling

Concurrency:

Interaction among Threads; Semaphores; Wait; Signal; Mutual Exclusion Semaphores; Synchronization semaphores; Resource Management Semaphores; Producers and Consumers, readers and writers; POSIX semaphores ;Implementation of Semaphores, Lock and Unlock, Message passing, POSIX message Queues, Deadlock

Memory Management:

Virtual Memory: Base and Length registers, Segmentation, Paging, Memory Allocation Policies, Cache

I/O:

Directories , File Descriptors, File Sharing, File Security, Buffering

Interprocess Communication:

UNIX pipes; sockets; interprocess communication using sockets

Distributed Systems:

Management of system resources remotely distributed

Module Content & Assessment
Assessment Breakdown %
Other Assessment(s)30
Formal Examination70