You are trying to find files with the console? Here is a simple guide. Hope that helps
Find a file by size
find ~ -size +100M or find / -size +100M
find them by name
find / -name *findme*
or by ending
find / -type f -name "*.txt"
link: https://www.digitalocean.com/community/tutorials/how-to-use-find-and-locate-to-search-for-files-on-a-linux-vps
Link: http://www.linuxlookup.com/howto/find_all_large_files_linux_system
