> file itm6_linux_server.memstore
> itm6_linux_server.memstore: perl Storable (v0.7) data (major 2) (minor 9)

# from print Dumper Storable::file_magic
          'hdrsize' => 19,
          'ptrsize' => 8,
          'byteorder' => '12345678',
          'intsize' => 4,
          'file' => 'itm6_linux_server.memstore',
          'longsize' => 8,
          'netorder' => 0,
          'minor' => 9,
          'version_nv' => '2.009',
          'major' => 2,
          'nvsize' => 8,
          'version' => '2.9'

> ls -l itm6_linux_server.memstore
-rw-rw-rw- 1 root root 2514 May  1 16:25 itm6_linux_server.memstore

>perl -v
This is perl 5, version 18, subversion 2 (v5.18.2) built for x86_64-linux-thread-multi