This is just one of the best find statements I have ever seen.
# find /sbin -xdev -type f -size +1024 -exec ll {} \; | awk '{print $9, $5}' | sort -rn +1 | awk '{print $1, $2/1024/1024 "MB"}' | more
/sbin/powermig 2.67188MB
/sbin/powercf 1.70703MB
/sbin/emc/emcpmgr 1.58984MB
/sbin/vxdisk 1.50439MB
/sbin/vxdg 1.45749MB
/sbin/vxrelayout 1.37262MB
/sbin/vxrecover 1.06357MB
/sbin/vxdmpadm 0.959419MB
/sbin/vxvol 0.953461MB
/sbin/vxdctl 0.916672MB
/sbin/vxlicrep 0.898438MB
/sbin/vgsync 0.882812MB
For Linux
find /var -xdev -type f -size +1024 -exec ls -l {} \; | awk '{print $9, $5}' | sort -rn -t" " -k2 | awk '{print $1, $2/1024/1024 "MB"}' | more