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Mac OS X Tiger in a Nutshell by Jason McIntosh, Chuck Toporek, Chris Stone, Andy Lester

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Name

uptime

Synopsis

uptime

Prints the current time, amount of time the system has been up, number of users logged in, and the system-load averages over the last 1, 5, and 15 minutes. This output is also produced by the first line of the w command.

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