21.7 uptime: Print system uptime and load

uptime prints the current time, the system’s uptime, the number of logged-in users and the current load average.

$ uptime
 10:28:31 up 10 days, 20 min,  1 user,  load average: 0.40, 0.13, 0.46
$ uptime --help

 uptime [options]

 -p, --pretty   show uptime in pretty format
 -h, --help     display this help and exit
 -s, --since    system up since
 -V, --version  output version information and exit

For more details see uptime(1).
$ uptime -p
up 1 weeks, 2 days, 19 minutes

$ uptime -s
2022-07-05 10:01:02

$ uptime -V
uptime from procps-ng 3.3.10