:pwedit - used to create MB, UINFO and other RR out of your /etc/passwd
		ex - /etc/passwd < :pwedit 

atod.y  - used to convert you aliases file into MB records
		yacc atod.y
		cc -o atod y.tab.c
		atod < /etc/aliases > aliases.db

named.boot - boot file for a secondary name server
named.boot.master - boot file for a master name server
named.hosts - The data base for your domain
named.local - Data for local host
named.rev   - PTR records for your domain, so that the .IN-ADDR.ARPA domain works
root.cache - data for the name servers initial cache