find

Question 1

Find directories with 777 permissions and change the permissions to 755 in the current directory?

Answer 1

find . -type d -perm 777 -exec chmod 777 {} \;

Question 2

Find all the empty files in the current directory and delete them:

Answer 2

find . -type f -empty -print -exec rm -f {} \;

Question 3

Find all the files which are larger than 50MB but smaller than 100MB in the current directory

Answer 3

find . -type f -size +50M -size -100M

Question 4

find and delete all the .mp4 files on your system which are larger than 1GB

Answer 4

find . -name ‘*.mp4’ -size +1000M -print rm -f {} \;