u-boot中env命令的使用

1.env

——– [U-Boot 2012.10] ———

env – environment handling commands

Usage:
env default [-f] -a – [forcibly] reset default environment
env default [-f] var […] – [forcibly] reset variable(s) to their default values
env edit name – edit environment variable
env export [-t | -b | -c] [-s size] addr [var …] – export environment
env import [-d] [-t | -b | -c] addr [size] – import environment
env print [name …] – print environment
env run var […] – run commands in an environment variable
env save – save environment
env set [-f] name [arg …]

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