NAME
uptime - show how long system has been running
SYNOPSIS
uptime
DESCRIPTION
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.
FILES
/bsd system name list
SEE ALSO
w(1)
HISTORY
The uptime command appeared in 3.0BSD.
Check out the Unix Man pages Manuals