UPTIME(1) BSD Reference Manual UPTIME(1)
uptime - show how long system has been running
The uptime utility displays the current time, the length of time the sys-
tem has been up, the number of users, and the load average of the system
over the last 1, 5, and 15 minutes.
/vmunix system name list
The uptime command appeared in 3.0BSD.
3rd Berkeley Distribution April 18, 1994 1