Which cpan installer is the right one? (CPAN.pm/CPANPLUS/cpanminus)

Question

There are multiple installers for cpan modules available; I know of at least CPAN.pm (comes with perl,) CPANPLUS, and cpanminus.

What is the difference between the t

Answer 1

cpanm uses much less memory. This makes it a better choice for environments where RAM is limited, such as shared hosting servers, where regular cpan might die before completing installation task, due to attempting to use more than available memory.

According to cpanm's (1.7044) documentation "When running, it requires only 10MB of RAM"