filter1d(1gmt) on Linux
The text 78408810695f, as Debian 8 (Jessie) shipped it.
Time domain filtering of 1-D time series
Flags it lists
-
-D -
-E -
-F -
-H -
-I -
-L -
-N -
-Q -
-S -
-T -
-V -
-bi -
-bo -
-f