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				$FreeBSD$

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				# Tubenv DShow or import U-Boot environment variables

				ubenv <import \| show> [varname ...]

				Display U-Boot environment variables, or import them into the
				loader environment (which makes them available in the kernel).

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				# 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.

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				# Tubenv Sshow DShow U-Boot env vars

				ubenv show [varname ...]

				If no variable names are specified, all U-Boot environment
				variables are shown.