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Data Transfer between User and Kernel Space - English

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Outline:

Copy data from the kernel space to the user space and vice versa read() and write() functions About uaccess.h file Add the protocols of read() and write() functions About copy_from_user() function About copy_to_user() function User program to write and read data from a device Executing the user program Compile the driver and the user program Display the output of data transfer