How to create a device in /dev automatically upon loading of the kernel module for a device driver?

Question

I am attempting to develop Linux device drivers and as my first attempt I am trying to develop a char device driver that has the following file options,

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Answer 1

CONFIG_DEVTMPFS is quite nice if you can use that with your distro. You can have the kernel automount that for you at boot (CONFIG_DEVTMPFS_MOUNT) or mount it manually (mount -t devtmpfs none /dev).