UPTIME(1) General Commands Manual UPTIME(1)

show how long system has been running


The uptime utility presents a subset of the information obtained by the w(1) utility. uptime 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. The load average is obtained using getloadavg(3).

system name list

top(1), w(1), getloadavg(3)

The uptime command appeared in 3.0BSD.
December 6, 2018 NetBSD-current