why null kernel module? why kernel listed in kldstat?

Jeremy C. Reed reed at reedmedia.net
Sat Jan 13 15:49:27 PST 2007

Why would someone use "null" kernel module?

Is "nullfs" same as "null"? If so, how is loader configuration called 
nullfs_load while file is null.ko?

I see a system that has "null" listed by kldstat but nullfs_load is NO (by 

Why is kernel also listed in kldstat output?

  Jeremy C. Reed

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