sisyphus-sis@debian-sis:~/comp/$ cd ~/bleadperl/bin sisyphus-sis@debian-sis:~/bleadperl/bin$ ln -s perl5.21.3 perl sisyphus-sis@debian-sis:~/bleadperl/bin$ cd ~ sisyphus-sis@debian-sis:~$ which perl /home/sisyphus-sis/bleadperl/bin/perl sisyphus-sis@debian-sis:~$ perl -le 'print $^X;' /usr/bin/perl sisyphus-sis@debian-sis:~$ echo $PATH /home/sisyphus-sis/bleadperl/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games sisyphus-sis@debian-sis:~$ perl5.21.3 -le 'print $^X;' /home/sisyphus-sis/bleadperl/bin/perl5.21.3 sisyphus-sis@debian-sis:~$