To remove the duplicate files,you can use the fdupes tool

To install fdupes,use the following command

yum install fdupes

To search for the duplicate files recursively in a directory use the following command

fdupes -r /home

Use the -S option to view the duplicate files along with their sizes

fdupes -Sr /home

To preserve a copy and delete the duplicate files,use the following command

fdupes -d /home/