| UPTIME(1) | General Commands Manual | UPTIME(1) | 
uptime — show 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
The uptime command appeared in
    3.0BSD.
| April 18, 1994 | Mac OS X 12 |