This is Perl module Cache::FastMmap::Tie. INSTALLATION Cache::FastMmap::Tie installation is straightforward. If your CPAN shell is set up, you should just be able to do % cpan Cache::FastMmap::Tie Download it, unpack it, then build it as per the usual: % perl Makefile.PL % make && make test Then install it: % make install DOCUMENTATION Cache::FastMmap::Tie documentation is available as in POD. So you can do: % perldoc Cache::FastMmap::Tie to read the documentation online with your favorite pager. Yuji Suzuki