Find

Find 40 files newer than a specific date and list them sorted by modification time

find /var/lib/kafka/Views* -mindepth 1 -newermt "feb 02 2016" -print0 | xargs -r0 stat -c %y\ %n | sort | tail -40

Find filenames greater than 10 characters

find /tmp/ -regextype posix-egrep -regex '.{10,}'

Find files and tar them

find / -name "*.css" -print0 | tar -cvzf wiki_css.tar.gz --null -T -