gr_plot_fft(1) on Linux
The text 66e3b0e08870, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
Frequency domain GNU Radio plotting
Flags it lists
-
--block -
--data-type -
--help -
--sample-rate -
--start -
-B -
-R -
-d -
-h -
-s