find all the files in the file system which hae set uid enabled and save them to /root/suid.txt and those which have size greater than 100MB save them to /root/big.txt
find /    \( -perm -4000 -fprintf /root/suid.txt '%#m %u %p\n' \) , ( -size +100M -fprintf /root/big.txt '%-10s %p\n' \)