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Chapter 12. File Sharing

Computer networks are everywhere. Almost all businesses use an internal network to provide access to shared resources, such as mail servers, printers, and file servers. Before networks, the most common way to exchange data was “sneaker-net”—copying files to floppies or other removable media and physically giving a copy of that data to someone. This had some obvious synchronization problems—if everyone modified his or her copy, merging all of those files back into a single coherent one required patience, creativity, and lots of time.

Networking gives multiple people access to the same copy of the same data. Although synchronizing access to a single file is still an issue, having multiple users change the same file or work from the same data increases productivity.


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