amixer: add page (#2994)

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Telmo "Trooper 2019-05-09 13:23:59 -03:00 committed by Andrik Albuquerque
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pages/linux/amixer.md Normal file
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# amixer
> Mixer for ALSA soundcard driver.
- Turn up the master volume by 10%:
`amixer -D pulse sset Master {{10%+}}`
- Turn down the master volume by 10%:
`amixer -D pulse sset Master {{10%-}}`