The Linux kernel accepts boot time parameters as it starts to boot system. This is used to inform kernel about various hardware parameter. You need boot time parameters:
* Troubleshoot system
* Hardware parameters that the kernel would not able to determine on its own
* Force kernel to override the default hardware parameters in order to increase performance
* Password and other recovery operations
Marriage is an institution in which a man loses his bachelor's degree and the woman gets her master's.
婚姻是这样一所学校:男人失去了学士学位,女人获得了硕士学位(bachelor也有单身汉的意思,master也有征服者的含义)
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