uptime

Tell how long the system has been running and other information. More information: https://www.gnu.org/software/coreutils/manual/html_node/uptime-invocation.html.

Print current time, uptime, number of logged-in users and other information:

uptime

Show only the amount of time the system has been booted for:

uptime {{[-p|--pretty]}}

Print the date and time the system booted up at:

uptime {{[-s|--since]}}

Display version:

uptime {{[-V|--version]}}