Linux
- Tell how long the system has been running.
BSD
- show how long system has been running
References
man uptime
Linux
-p, --prettyShow uptime in pretty format-s, --sinceSystem up since, in yyyy-mm-dd HH:MM:SS format
BSD
- None
Linux
$ uptime
11:23:14 up 483 days, 17:34, 2 users, load average: 0.25, 0.18, 0.28
$ uptime -p
up 1 year, 17 weeks, 17 hours, 34 minutes
$ uptime -s
2017-07-03 17:49:26BSD
$ uptime
11:25 up 22 days, 21:09, 7 users, load averages: 2.82 3.19 3.22