Adding Device Nodes to the /dev Directory
This section describes a step in the kernel building process that applies only to versions of FreeBSD prior to 5.0. If your version is 5.0 or later, you can safely skip this section because later versions use the DEVFS filesystem interface to the system’s devices and build the /dev virtual filesystem dynamically at boot time.
Many devices will be missing an entry in /dev when you add them to the kernel configuration; devices in /dev include only those that have either been part of the base system or have been added afterward explicitly. You have to create device nodes for new devices that you add to the kernel—they’re not generated automatically.
Fortunately, creating the device nodes is fairly simple. ...
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