fw_printenv(8) on Linux
The text c1e32a7d9654, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it.
Tool for printing environment for the bootloader U-Boot
Flags it lists
-
-n