$ cpan

cpan shell -- CPAN exploration and modules installation (v2.00)
Enter 'h' for help.

cpan[1]> install PJCJ/Devel-Cover-1.09.tar.gz
...
  PJCJ/Devel-Cover-1.09.tar.gz
  /usr/bin/make install  -- OK

cpan[2]>