In this tutorial, we will see how to find and delete duplicate files in Linux with rdfind tool.
For this demonstration, we will use Rdfind tool. It is find duplicate files in Linux. Rdfind comes from redundant data find. It is a free tool used to find duplicate files across or within multiple directories. It used a checksum and finds duplicates based on file contains not only names. The rule is A letter rank higher.
Let’s get started
Install rdfind
We need to install rdfind tool before we start using it.
# apt-get install rdfind [On Debian/Ubuntu]
# yum install epel-release && yum install rdfind [On CentOS/RHEL]
To run rdfind on a directory simply type rdfind and the target directory.
# rdfind /home/user
Display list of duplicates without taking any actions
With dryrun option, you can get a list of duplicates without taking any actions. It will be easy to check first and remove it.
# rdfind -dryrun true /home/user
Replace duplicates with hardlinks
You can find and replace duplicates with hardlinks by using following command
# rdfind -makehardlinks true /home/user
Delete the duplicates
If you want to delete duplicates, run following command
linux files, replace, # rdfind -deleteduplicates true /home/user
For more details about rdfind
# man rdfind
In this article, we have seen how to find and delete duplicate files in Linux with rdfind tool.
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