From: "Bernard Delmée" Date: 2001-12-24T08:17:52+09:00 Subject: [ruby-talk:29382] Re: x.dll versus x.lib in mswin32 ruby > Does this mean that I cannot use DLL's in mswin32 Ruby? This doesn't make > any sense. Naturally you can; DLL's are used at run-time (and hold the actual code), whereas LIB's are used at build/link time (and only hold relocation info). This is similar to .so vs .a on *nix. HTH.