$ ls -l /opt/admin/bin/perl /usr/local/bin/perl /usr/bin/perl
lrwxrwxrwx 1 root root    13 Apr 10 16:38 /opt/admin/bin/perl -> /usr/bin/perl
-rwxr-xr-x 2 root root 19208 Dec 16  2011 /usr/bin/perl
lrwxrwxrwx 1 root root    13 Apr 27 14:01 /usr/local/bin/perl -> /usr/bin/perl