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ttyskeepawake prevent idle system sleep when any tty (such as a remote login session) is active; a tty is inactive only when its idle time exceeds the system sleep timer, 1 to enable or 0 to disable; autopoweroff (AC power) Where supported, enabled per default as an implementation of Lot 6 to the European Energy-related Products Directive ...
Busy-waiting itself can be made much less wasteful by using a delay function (e.g., sleep()) found in most operating systems. This puts a thread to sleep for a specified time, during which the thread will waste no CPU time. If the loop is checking something simple then it will spend most of its time asleep and will waste very little CPU time.
Idle is a state that a computer processor is in when it is not being used by any program. Every program or task that runs on a computer system occupies a certain amount of processing time on the CPU. If the CPU has completed all tasks it is idle. Modern processors use idle time to save power.
However, the idle process does not use up computer resources (even when stated to be running at a high percent). Its CPU time "usage" is a measure of how much CPU time is not being used by other threads. In Windows 2000 and later the threads in the System Idle Process are also used to implement CPU power saving.
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Dogs are some of our oldest living companions, but they are not without their quirks. Be it funny faces, contortionist-like sleeping positions, or moments of energetic mania, dogs have character ...
However, Dr. Kobylarz notes it can start as early as 1 p.m. for some people. What Sundowning Looks Like There’s a difference between being totally over your day and sundowning.
In addition to a wake-up press of the power button, PCs can also respond to other wake cues, such as from keyboard, mouse, incoming telephone call on a modem, or local area network signal. [citation needed] A real-time clock alarm can schedule the computer to wake from sleep mode. [1]