files:
	The commandline you can specify files:
	 doslike: separated with \ caseinsenstive no wildcard 
	 unixlike: separated with / casesensitive wildcards (*,?,[..],etc)
	  extentions:
		can use disk letters (e.g. c:/)
		/ is the cygwin directory
		/cygdrive/c is c:/
	inside bed: separeted with  \ caseinsensitive wildcards
