``` $ dpkg -S /etc/apt/sources.list.d/ubuntu.sources.curtin.orig dpkg-query: no path found matching pattern /etc/apt/sources.list.d/ubuntu.sources.curtin.orig
```
``` sources. list.d/ ubuntu. sources. curtin. orig sources. list.d/ ubuntu. sources. curtin. orig
$ dpkg -S /etc/apt/
dpkg-query: no path found matching pattern /etc/apt/
```