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In unix put a long-running process in the background and check the accuracy of the sleep command?
Wiki User
∙ 14y ago
Any process can be placed in the background by using the '&' at the end of the command, or by suspending the process and issuing the 'bg' command.
There really is no good way to 'measure' the accuracy of the 'sleep' command because it is not designed to be accurate; it depends on the state of the system and other things going on at the same time. It uses an approximate value to suspend the process but is not designed to be extremely accurate.
The value used in the sleep command is the number of seconds to suspend the process, which is subject to other processes running, possibly at a higher level than the current one. Since the process is probably not running at a real time level you wouldn't be able to check the acccuracy of the suspended time with any reliability.
Wiki User
∙ 14y ago
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