UC_EX_PATH_CACHE parameter is duplicated with different descriptions in the configuration file of the unix agent. (21.X) as well as the documentation link below
https://docs.automic.com/documentation/WEBHELP/English/all/components/DOCU/21.0.5/Automic%20Automation%20Guides/Content/AWA/Admin/inifiles/admin_ini_agent_unix.htm?Highlight=agent%20unix
Here's an excerpt from the agent.ini file:
; UC_EX_PATH_CACHE: Directory is used to store client-wide resources.
;
;UC_EX_PATH_CACHE=
; UC_EX_PATH_CACHE: Path to the cache directory for storage resource files
;
UC_EX_PATH_CACHE=../resources/
Release : 21.0.5
CA Automic Workload Automation
Known defect.
As confirmed by our engineering team, the duplicate configuration / documentation for the UC_EX_PATH_CACHE parameter will be corrected in a future release.