Specify the volume on linux and make a sound

amixer -c0 sset PCM 60% && aplay --duration=2 a.wav amixer -c0 sset PCM 70% && aplay --duration=2 a.wav amixer -c0 sset PCM 80% && aplay --duration=2 a.wav amixer -c0 sset PCM 85% && aplay --duration=2 a.wav amixer -c0 sset PCM 90% && aplay --duration=2 a.wav

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