UPTIME(1) General Commands Manual UPTIME(1)

uptimeshow how long system has been running

uptime

The uptime utility displays the current time, the length of time the system has been up, the number of users, and the load average of the system over the last 1, 5, and 15 minutes.

$ uptime
11:23AM  up  3:01, 8 users, load averages: 21.09, 15.43, 12.79

w(1)

The uptime command appeared in 3.0BSD.

April 18, 1994 Mac OS X 12