Find and print out all hidden files. Use the -iname switch for case insensitive matching.
find / -name ".*" -print -xdev

Category: Linux Tags:
find / -size +10M -print
Find files larger than 10 megabytes on a system.

Category: Linux Tags:
find / -nouser -o -nogroup
Find files that do not have an owner or a group.

Category: Linux Tags:
find / -iname "*.*" -mtime -7
Find all files modified in the past week. The -iname switch permits case insensitive matches.

Category: Linux Tags: