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* Description: Knowledge of Linux top command output
* Date: 02:00 PM EST, 06/13/2017
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<1> Information within "top" command output - display dynamic real-time system resource summary and tasks being managed by the Linux kernel:
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     |__ us: user cpu time (or) % CPU time spent in user space.
         sy: system cpu time (or) % CPU time spent in kernel space.
         ni: user nice cpu time (or) % CPU time spent on low priority processes.
         id: idle cpu time (or) % CPU time spent idle.
         wa: io wait cpu time (or) % CPU time spent in wait (on disk).
         hi: hardware irq (or) % CPU time spent servicing/handling hardware interrupts.
         si: software irq (or) % CPU time spent servicing/handling software interrupts.
         st: steal time - - % CPU time in involuntary wait by virtual cpu while hypervisor is servicing another processor (or) % CPU time stolen from a virtual machine.
		 
		 

<2> Command output:
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     |__ $ top
	 
            top - 14:02:44 up 7 days,  7:19,  1 user,  load average: 0.05, 0.03, 0.00
            Tasks: 185 total,   1 running, 184 sleeping,   0 stopped,   0 zombie
            Cpu0  :  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
            Cpu1  :  0.0%us,100.0%sy,  0.0%ni,  0.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
            Mem:  16336236k total, 10316724k used,  6019512k free,   270800k buffers
            Swap: 14434300k total,    32924k used, 14401376k free,  9449720k cached
            
              PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
             8663 root      20   0 15040 1316  940 R 100.0  0.0   0:00.23 top
                1 root      20   0 19340 1404 1120 S  0.0  0.0   0:21.08 init
                2 root      20   0     0    0    0 S  0.0  0.0   0:00.05 kthreadd
                3 root      RT   0     0    0    0 S  0.0  0.0   0:02.46 migration/0
                4 root      20   0     0    0    0 S  0.0  0.0   0:04.98 ksoftirqd/0
                5 root      RT   0     0    0    0 S  0.0  0.0   0:00.00 stopper/0
                6 root      RT   0     0    0    0 S  0.0  0.0   0:00.73 watchdog/0