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Outline:File operations such as open and close on a device About cdev.h header file About struct file_operations About mydevice_open() and mydevice_release() function About cdev_init()and cdev_add() function About cdev_del() function Working of the above function Executing the file operations with a user program Compile the driver Display the output message of open and close of a new device
File operations such as open and close on a device About cdev.h header file About struct file_operations About mydevice_open() and mydevice_release() function About cdev_init()and cdev_add() function About cdev_del() function Working of the above function Executing the file operations with a user program Compile the driver Display the output message of open and close of a new device
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