The Uptime encapsulates various bits of uptime information
Returns the boot time as a Time object.
Returns the total number of days the system has been up.
Calculates and returns the number of days, hours, minutes and seconds the system has been running as a four-element Array.
Returns the total number of hours the system has been up.
Returns the total number of minutes the system has been up.
Returns the total number of seconds the system has been up.
Calculates and returns the number of days, hours, minutes and seconds the system has been running as a colon-separated string.
[Validate]