Cpanel Reserved Folders and Sub Domains

Here is a list of reserved folders and sub domains for cpanel.

Folders:
bandwidth
sys_cpanel
java-sys
img-sys
akopia
mailman
pipermail
interchange
interchange-5
neo-images
cgi-sys
scgi-bin
cpanel
securecpanel
kpanel
controlpanel
securecontrolpanel
webmail
whm
securewhm

Subdomains:
mail
www
ftp
cpanel
whm
webmail
webdisk

Additional reserved folders and sub domains may exist due to your install.