default build options

> grep COMPAT_FREEBSD /usr/src/sys/amd64/conf/GENERIC options COMPAT_FREEBSD32 # Compatible with i386 binaries options COMPAT_FREEBSD4 # Compatible with FreeBSD4 options COMPAT_FREEBSD5 # Compatible with FreeBSD5 options COMPAT_FREEBSD6 # Compatible with...

I am following the book "Absolute Freebsd" I suppose many of you will know it. I'm in the chapter that talks about the kernel, where you can remove drivers and options that you don't need. Well I have the following problem and I can not understand why, (I am a newbie) For example on my desktop...

I see DTrace Probes offered as a compile-time option/flag on many ports, and it's selected by default on the very vast majority of the ports for which it's available... As far as I can understand, though, DTrace Probes is just a debugging facility... I never programmed enough to really get...