RosettaCodeData/Task/Determine-if-only-one-instance-is-running/00DESCRIPTION


			
				
				
					
						
						
						
							
							
							This task is to determine if there is only one instance of an application running. If the program discovers that an instance of it is already running, then it should display a message indicating that it is already running and exit.

						
						
					
				
				
					
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