AD9009+ZC706,How to do a CW Tone with iio: device* in linux terminal?

I know "IIO Oscilloscope" can do CW tone.

I want use script(linux command line) in terminal,so I found these iio:devices and their parameters.

But I need an usage example to guide me.Please help me.

Thanks~~

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root@analog:~# grep "" /sys/bus/iio/devices/iio\:device*/name
/sys/bus/iio/devices/iio:device0/name:ad7291
/sys/bus/iio/devices/iio:device1/name:xadc
/sys/bus/iio/devices/iio:device2/name:ad9528-1
/sys/bus/iio/devices/iio:device3/name:adrv9009-phy
/sys/bus/iio/devices/iio:device4/name:axi-adrv9009-rx-obs-hpc
/sys/bus/iio/devices/iio:device5/name:axi-adrv9009-tx-hpc
/sys/bus/iio/devices/iio:device6/name:axi-adrv9009-rx-hpc

refer to: ADRV9009, ADRV9008 highly integrated, wideband RF transceiver Linux device driver [Analog Devices Wiki]