idmapd(8) on Linux
The text cd0f48953381, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.
NFSv4 ID <-> Name Mapper
Flags it lists
-
-C -
-G -
-S -
-U -
-c -
-d -
-f -
-p -
-v