Mapping starting at sys.modules:

StringIO	   cjkcodecs.encodings	 getopt     rfc1094	   struct
UserDict	   code			 linecache  rpc		   sys
__builtin__	   codecs		 math	    rpchelp	   tarfs
__future__	   codeop		 memfs	    signal	   thread
__main__	   copy_reg		 new	    site	   threading
_codecs		   encodings		 os	    socket	   time
_socket		   encodings.aliases	 os.path    sre		   traceback
_sre		   encodings.codecs	 posix	    sre_compile    types
array		   encodings.encodings	 posixpath  sre_constants  warnings
atexit		   encodings.exceptions  pyfs	    sre_parse	   xdrlib
cStringIO	   errno		 random     stat
cjkcodecs	   exceptions		 re	    string
cjkcodecs.aliases  fsbase		 readline   strop

cat /mnt/nfs/errno/ECONNREFUSED
111