Usage
# Show All setting
nvram show
# 設定
nvram set name=value
i.e.
nvram set script_usbmount="/jffs/scripts/services-start"
# 查看個別設定
nvram get name
i.e.
nvram get script_usbmount
/jffs/scripts/services-start
# Undefine
nvram unset NAME
# Save. 如果不 save, 那 reboot 後就沒有了.
nvram commit