MIXERCTL.CONF(5) BSD Reference Manual MIXERCTL.CONF(5)
mixerctl.conf - mixerctl variables to set at system startup
mixerctl.conf contains a list of mixerctl(1) variable assignments that is read at system startup by rc(8) early on in the boot sequence. The file is made up of mixerctl(1) variable assignments (variable=value) with comments designated by a hash mark ('#').
/etc/mixerctl.conf
To turn on the line in input, use the following line: inputs.line.mute=off
mixerctl(1), rc(8) MirBSD #10-current November 20, 2004 1