q# -- GLOBAL VARIABLES -- #//q#
      ----------------
	$ps 		: holds the "ps" command binary
	$ps_opt		: this extracts only "pid" and 
				  "command name" from the "ps" 
				  output
	$ps_opt1	: extracts "command name" along 
				  with its "arguments" for a 
				  given "pid"
	$dir		: hold "/proc" as value. 
				  This is the source directory 
				  from where the search for 
				  required informations for each 
				  pid starts
	$total_swap	: stores the sum of swap usage of 
				  all the individual threads/processes
	@proc_swap	: this array holds the "ref_arrays"
				  in each of its index
	$PROC		: is the file/command handle which
				  holds the information of all the
				  contents within "/proc" directory
#;