This file is indexed.

/usr/bin/csharp is in mono-csharp-shell 2.10.8.1-1ubuntu2.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

1
2
#!/bin/sh
exec /usr/bin/mono $MONO_OPTIONS /usr/lib/mono/4.0/csharp.exe "$@"