From: Ruby Newbee Date: 2010-01-27T22:37:49+09:00 Subject: Re: being confused about libraries I have the following sqite3 for ruby installed: $ gem list *sqlite3* *** LOCAL GEMS *** dbd-sqlite3 (1.2.5) sqlite3 (0.0.6) sqlite3-ruby (1.2.5) And these system libraries: $ dpkg -l *sqlite3* ii libsqlite3-0 3.6.16-1ubuntu1 SQLite 3 shared library ii libsqlite3-dev 3.6.16-1ubuntu1 SQLite 3 development files ii libsqlite3-ruby 1.2.4-2 SQLite3 interface for Ruby ii libsqlite3-ruby1.8 1.2.4-2 SQLite3 interface for Ruby 1.8 ii sqlite3 3.6.16-1ubuntu1 A command line interface for SQLite 3 So what's the relations among them? Thanks again.