Introduction to Operating Systems

Introduction to Operating Systems - What does an Operating...

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Introduction to Operating Systems
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What is an Operating System It is a program that sits between the hardware and the application programs. The program starts running at boot time. It is compiled with a normal compiler.
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What does an Operating System Offer? It offers services that are common to all applications :Printing, Windowing, File Access, Libraries It offers multitasking . Allows multiple processes running at the same time It offers Protection/Security . A user cannot see files of other users.
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Unformatted text preview: What does an Operating System Offer? It offers Reliability . Each program runs inside a sandbox. If the process does something wrong like writing to an invalid memory, it will receive a notification. Processes will not get out of the sandbox. The OS continues running. It offers fairness . access to resources has to be fair across users with the same priority. It offers multi user . It allows running multiple users in the same machine simultaneously....
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This note was uploaded on 01/30/2012 for the course CS 354 taught by Professor Staff during the Fall '08 term at Purdue University-West Lafayette.

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Introduction to Operating Systems - What does an Operating...

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