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Silberschatz, Galvin and Gagne ©2005

Operating System Concepts

Computing Environments

Traditional computer

Blurring over time

Office environment

PCs connected to a network, terminals attached to mainframe or minicomputers providing batch and timesharing

Now portals allowing networked and remote systems access to same resources

Home networks

Used to be single system, then modems

Now firewalled, networked

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