uptime is a Linux/UNIX command which lets you know the time since the machine is running.
But how you get the same information in Windows???????????
Its very simple i dont know if you have used this command in windows or not the command to find out uptime for windows machine is
systeminfo
This command give a big output you can use the following
systeminfo | more
and check out each line you will surely find System Uptime.
:)
