Check when was the computer ON?
1586
How do I find the last logged system boot and shutdown times?
92805
How to determine Windows 10 version when it is not running?
107802
How to check if Ubuntu Desktop or Server is installed?
99937
How do I monitor the computer's CPU, memory, and disk usage in Java?
57479
How to measure that how much time is the active window opened?
37403
How can I tell when I logged into Windows?
108853
How to determine the "age" of a linux system since installation?
154819
How can I tell if my Mac is keeping the clock updated properly?
24818
Program that logs the CPU usage in Windows 7
61757
Does `at` run a command later if the computer is off at the specified time?
15046
How to check how long a process has been running?
77953
In activity monitor what time frame is the data sent / received data from?
85077
How can I tell, from the command line, whether the machine requires a reboot?
24667
Which log will tell me why my computer shut down?
71287
Get memory and CPU usage
30047
How to check opened/closed ports on my computer?
84753
What event log should I check for Hardware Changes