Oracle Linux: How to Identify Large Files and Directories in a Filesystem

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Applies to:  
Oracle Cloud infrastructure
Oracle Linux


GOAL:
To provide reliable and practical methods for identifying large files and directories consuming disk space on Oracle Linux systems.

SOLUTION:

To properly find out where disk space is being used, run the following commands below:

You can recursively explore the filesystem to identify where the largest storage is being used:

Command with sample Output:

$ du -x -h / | grep ‘^\S*[0-9\.]\+G’ | sort -rn               
14G /                   
3.5G /usr                 
2.9G /var                 
2.4G /var/cache                 
2.1G /home/opc                 
2.1G /home                 
1.7G /var/cache/dnf               
1.6G /usr/lib                 
1.2G /usr/lib/firmware