question why need open /dev/console in init() when starting kernel

Hi everyone,

Do anyone know why it need to open("/dev/console"....) at the end of theinit() before calling execve("/sbin/init") ? Why open this for the in ,out , err channel at this moment but not open it at the time when goingto use , e.g. open it in the shell .


Regards,
TOM
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