Find all files named “thumbs.db” in current directory and delete them.

find . -iname "thumbs.db" -delete

Find all files named “.DS_Store” in current directory and delete them.

find . -iname "*.DS_Store" -delete

find . -type f -name '*' -exec chmod 660 {} \;
find . -type d -name '*' -exec chmod 770 {} \;

find . -type f | wc -l

find / -type f -exec grep -H 'text-to-find-here' {} \;

find . -size +1G

find ./ -type f -exec sed -i 's/string1/string2/g' {} \;

find . -mtime -1 -print

find . -mtime +14 -exec rm {} \;