Viewing directory /usr/src/linux-headers-4.15.0-187-generic/include/config/system

Name	Owner	Permissions
.	root	drwxr-xr-x
..	root	drwxr-xr-x
blacklist	root	drwxr-xr-x
data	root	drwxr-xr-x
extra	root	drwxr-xr-x
revocation	root	drwxr-xr-x
trusted	root	drwxr-xr-x