$FreeBSD: head/sys/boot/mips/uboot/help.uboot 296183 2016-02-29 07:47:04Z sgalabov $ ############################################################################### # Tubenv DShow or import U-Boot environment variables ubenv [varname ...] Display U-Boot environment variables, or import them into the loader environment (which makes them available in the kernel). ############################################################################### # Tubenv Simport DImport U-Boot env vars ubenv import [varname ...] If no variable names are specified, all U-Boot environment variables are imported. Each variable is prefixed with "uboot." to avoid any possible conflicts with loader or kernel variables. ############################################################################### # Tubenv Sshow DShow U-Boot env vars ubenv show [varname ...] If no variable names are specified, all U-Boot environment variables are shown.