uptime Command

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Purpose

Shows how long the system has been up.

Syntax

uptime

Description

The uptime command prints the current time, the length of time the system has been up, the number of users online, and the load average. The load average is the number of runnable threads that are both running and waiting for CPU and thread from newly started processes over the preceding 1-, 5-, and 15-minute intervals. The output of the uptime command is, essentially, the heading line provided by the w command.