What is the correct path to perl(and other programs)?

perl5: /usr/bin/perl
perl5.003: /usr/bin/perl5.003
sendmail: /usr/sbin/sendmail
date: /bin/date
java: /usr/bin/java
python: /usr/bin/python

Domain paths
using example if your domain was yourname.com

• Main dir: /www/yourname/
• Cgi-bin: /www/yourname/cgi-bin