What is the best way to check disk space usage on the server?

From the system command prompt, use the “du” command with the “-csh” option.

NOTE: One mistake that is typically made by users is to use the “du -h” command. Unfortunately, the du -h command does not produces a grand total, the -h switch is for human readable format only.


The largest usage of disk space for Survox dialer customers is typically found in the webarea where the sound files are written to. Change to the directory /var/www/html and type in du -csh * and you should be able to see the grand total.

Also, if you do du -csh *