How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searched for?)

Question

What are all the ways of affecting where Perl modules are searched for? or, How is Perl\'s @INC constructed?

As we know, Perl uses @INC array conta

Answer 1

In addition to the locations listed above, the OS X version of Perl also has two more ways:

6. The /Library/Perl/x.xx/AppendToPath file. Paths listed in this file are appended to @INC at runtime.

7. The /Library/Perl/x.xx/PrependToPath file. Paths listed in this file are prepended to @INC at runtime.