$FreeBSD: releng/10.2/sys/boot/arm/uboot/help.uboot 273665 2014-10-26 02:53:23Z ian $

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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.