V7/usr/lib/crontab

Find at most related files.
including files from this version of Unix.

0,10,20,30,40,50 * *	*	*	/etc/dmesg - >>/usr/adm/messages
0,5,10,15,20,25,30,35,40,45,50,55	*	*	*	*	/usr/lib/atrun
20	1	*	*	*	/usr/bin/calendar -