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fm - Online in the Cloud

Run fm in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command fm that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator



fm - control frequency, volume, mute/unmute of FM radio card


fm [ -h ] [ -o ] [ -q ] [ -d device ] [ -t tuner ] [ -T none | forever | time ] on | off |
+ | - | freq [ volume ]


fm is a program to control the frequency, volume, and mute/unmute state of an FM radio
card, using the video4linux interface introduced in 2.1.x series Linux kernels.

-h Print a usage message to standard output, and exit.

-o Ignore frequency range limits of card. Use if you suspect that the card supports a
wider frequency range than its driver believes.

-q Quiet mode. Keeps information on station and volume from being printed on standard

-d device
Sets device as the device to tune. The default is /dev/radio0.

-t tuner
Sets tuner as the tuner on the selected device to adjust. The default is tuner 0.
Most radio devices have only a single tuner.

-T none | forever | time
After tuning, sleep for the time specified or forever. Time is specified in
seconds by default. A suffix of m indicates minutes, h indicates hours, or d
indicates days.

The -T option is useful with radio card drivers that only maintain the tuner
settings while the tuner's file descriptor remains open. Try using this option if
running fm ordinarily produces only a single "pop" from your speakers.

freq Frequency to tune the radio to, in MHz. For instance, 88.9 specifies a frequency
of 88.9 MHz. AM tuner values are also specified in MHz; for instance, 530 kHz
would be specified as .530.

on Turn the radio on (unmute).

off Turn the radio off (mute).

volume Specify the desired volume, in percent. Not all radio devices support volume

+ Increase the current volume.

- Decrease the current volume.


fm reads $HOME/.fmrc, if it exists, to obtain default settings. Each line may take one of
the following forms:

VOL percent
Specifies default volume (default: 12.5%).

INCR percent
Volume increment used for + and - options (default: 10%).

TIME Default sleep time (default: none).

All other lines are ignored.

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