I didn't see it in perlfaq3, so I'll just mention that I use perldoc perllocal in combination with corelist. It's not foolproof—for example, it doesn't play well with Module::Build-based modules—but it gives a pretty good idea of what's on my system.

In reply to Re^2: how to find what modules are available for use ? by JadeNB
in thread how to find what modules are available for use ? by manishrathi

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