/usr/share/doc/libasound2-plugins/examples/asound.conf_oss is in libasound2-plugins 1.1.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | pcm.myoss {
type oss
device /dev/dsp
}
# Usage: aplay -Dplug:myoss foo.wav
|