uptime - Unix, Linux Command
uptime - Tell how long the system has been running.
gives a one line display of the following information.
The current time,
how long the system has been running,
how many users are currently logged on,
and the system load averages for the past 1, 5, and 15 minutes.
This is the same information contained in the header line displayed by
information about who is currently logged on
was written by Larry Greenfield <email@example.com
Michael K. Johnson <firstname.lastname@example.org
Please send bug reports to <email@example.com>