https://knowledge.broadcom.com/external/article/285712/how-to-clear-disk-space-safely-on-the-ed.html
How to Clear Disk Space Safely on the EDR Server.
clear disk spacehow toon thesafelyedr
https://www.cisco.com/c/en/us/support/docs/security/secure-firewall-management-center/223160-clear-disk-space-utility-on-fmc-7-7-0.html
Clear Disk Space Utility on FMC 7.7.0 - Cisco
This document describes how to use the FMC GUI to free up disk space on FMC and FTDs running version 7.7.0 or later.
clear disk spaceutilityfmccisco