Why should Linux architecture be divided into user space and kernel space?

Alibaba cloud Q & A 2022-02-13 06:22:04 阅读数:310

linux architecture divided user space

as a result of ?

Take the answer 1:

1、 modern CPU Different working modes are realized , In different modes CPU The instructions that can be executed are different from the registers that are accessed .

2、Linux from CPU From the angle of , To protect the security of the kernel , Divide the system into two parts .

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