ostree-admin-config-diff - Diff current /etc configuration versus default
ostree admin config-diff [OPTIONS...]
Prints the differences between the current /etc directory and the default configuration in /usr/etc. Newly added files (present in /etc but not in /usr/etc) will be prefixed with A. Modified files will be prefixed with M, and deleted files with D.
--os="STATEROOT"
Use a different operating system stateroot than the current one.
$ ostree admin config-diff
M shadow A example.txt