TLDR
Enter a command. For example: pamac, needrestart, chntpw, fallocate.

amixer

 
Mixer for ALSA soundcard driver. More information: https://manned.org/amixer.
 
  • 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%-}}

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