Also, the command is executed and {TAIL ~ an output} corresponding to {HEAD ~ the execution} of the command is generated 
Also , the command is executed and { TAIL ~ an output } corresponding to { HEAD ~ the execution } of the command is generated
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH