This file is indexed.

/usr/bin/aoss is in alsa-oss 1.0.28-1ubuntu1.

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

The actual contents of the file can be viewed below.

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#!/bin/sh

# A simple script to facilitate the use of the OSS compatibility library.
# Usage:
#	aoss <command> <command options and arguments>

if [ -d /proc/asound ]; then
  prefix=/usr
  libdir=${prefix}/lib/x86_64-linux-gnu
  LD_PRELOAD=${libdir}/libaoss.so${LD_PRELOAD:+:$LD_PRELOAD} exec "$@"
else
  echo "Warning: /proc/asound not found. Running without ALSA wrapper."
  exec "$@"
fi
exit 1