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* Description: Linux command of checking server uptime
* Date: 06:27 PM EST, 01/16/2018
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<1> Linux command of checking OS user last login period for audting purpose:
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     |__ $ uptime
	 
                 23:27:34 up 19 days,  1:43,  1 user,  load average: 0.00, 0.00, 0.00