find

Reference manpage: man find

Filesystem walk and find functions

Find executables

find . -type f -executable -print
find . -type l ! -exec test -e {} \; -print

Find files modified in last 23 minutes

find . -type f -newermt '23 minutes ago'

List files only in 2 step depth

find . -maxdepth 2

Find files bigger than 26MB

find . -type f -size +26M