fw_setenv(8) on Linux
The text 703c4f24888e, as Debian 13 (Trixie), Debian 12 (Bookworm) shipped it. The page shows this text now.
Tool for modifying the environment for the bootloader U-Boot
Flags it lists
-
--config -
--defenv -
--script -
-V -
-c -
-f -
-h -
-s