grd2cpt(1gmt) on Linux
The text 2a02260ee8f7, as Debian 5.0 (Lenny) shipped it.
Read a grid file and make a color palette file
Flags it lists
-
-C -
-D -
-E -
-I -
-L -
-M -
-N -
-Q -
-R -
-S -
-T -
-V -
-Z