Uptime is used by server administrators to check the overall system load of a server. Uptime can be a useful reference for system load during system checks.
Uptime output Uptime typically displays one line of information including:
Current time How long the system has been running without shutting down since booting up Number of currently logged in users (referencing the /var/run/utmp file) System load averages for 1, 5, and 15 minutes Additionally, Uptime can display the first row of information when running top and w. It may also reference the /proc file system to check process information.
Command usage format uptime uptime -v By using the uptime command, you can check the time when the system was booted up and schedule appropriate reboots for safe operation.