http://www.cyberciti.biz/faq/find-large-files-linux/
find / -type f -size +500k -exec ls -lh {} \; | awk ‘{ print $9 “: ” $5 }’
Syntax for RedHat / CentOS / Fedora Linux
find {/path/to/directory/} -type f -size +{size-in-kb}k -exec ls -lh {} \; | awk ‘{ print $9 “: ” $5 }’
Search or find big files Linux (50MB) in current directory, enter:
$ find . -type f -size +50000k -exec ls -lh {} \; | awk ‘{ print $9 “: ” $5 }’
Search in my /var/log directory:
# find /var/log -type f -size +100000k -exec ls -lh {} \; | awk ‘{ print $9 “: ” $5 }’