Ubuntu is a free, open-source platform for client, server and cloud computing.

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Every new technology wave comes with its own catchphrase: distributed computing, client-server, e-business.

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The non-embedded computing world has put years of effort into partitioning systems between computing that happens at the client and computing that happens at the server.

CNN: Report from the Embedded Linux Expo & Conference

Today, client-server architectures have been replaced by browser-based user Web applications and the cost of computing has fallen dramatically which, along with cloud computing, have made scalability issue quite a different proposition.

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As the Web moguls see it, the Internet has evolved from a method of transmitting information to its own computing platform, as novel as the personal computer was in the late 1970s, or client-server networks were in the '80s.

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