The Kernel Configuration Files

At the time of this writing, FreeBSD doesn’t have a visual kernel configuration utility like the make xconfig dialog-driven process in various Linux distributions. FreeBSD’s kernel is configured using text files, a method that may seem quite arcane but one that does provide some flexibility the visual methods don’t.

A visual configuration tool provides interactive feedback, allowing you to enable and disable devices and options on a case-by-case basis. What it doesn’t do, though, is allow you to maintain multiple configurations side by side, comparing them using tools such as diff and grep, and use the base-level GENERIC configuration, previous known valid configurations, and the reference NOTES files as guidelines. ...

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