The Perl packages must provide a mechanism for the local administrator to
install modules under /usr/local but must not create or remove
those directories.
Modules should be installed to the directories described above in Module Path, Section 1.3 as site
(current), programs to /usr/local/bin and manual pages under
/usr/local/man.
2.2 Site Installation
The following commands should be sufficient in the majority of cases for the
local administrator to install modules and must create directories as required: