find /dir -type f
find /dir -type d
find /dir -name '*test*'
find /dir -name '*php'
find /dir -! -name '*txt'
find /dir -mtime -1
find /var/nas/sites -type d -maxdepth 1 -print0 | sort -z | xargs -0 -I {} echo {}
find /var/nas/sites -mindepth 1 -maxdepth 1 -! -name '.*' -print
find . -type f -ls
find . -type f -empty