/usr/share/kde4/services/thumbnail.protocol is in kde-runtime-data 4:4.8.2-0ubuntu2.
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 7 8 9 | [Protocol]
exec=kio_thumbnail
protocol=thumbnail
input=stream
output=stream
reading=true
source=false
X-DocPath=kioslave/thumbnail/index.html
Icon=view-preview
|