What is the difference between make oldconfig and make menuconfig?

Hao Lee haolee.swjtu at gmail.com
Sat Apr 11 11:09:54 EDT 2020

I know make oldconfig is used to update my old .config to a newer one
and it will prompt me questions about the new configuration options.
However, make menuconfig can also handle old .config file properly and
it doesn't prompt any questions. I don't know what happened when
menuconfig processes my old .config file. Does it make decisions for
me automatically? Thanks.

Hao Lee

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