Userland enhancements

[Matthew Dillon]

:Beside varsyms and checkpointing. 
:What are the userland enhancements/changes that have not been ported
:to other bsds
:Any cool fstat, ktrace one liners
:
:-- 
:Eduardo Tongson    

    Most of the work is being done kernel-side.  I guess the upcoming
    journaling layer counts as that will have some very user-visible pieces
    to it.  The threading library is similar enough but is likely to diverge
    very quickly.  Probably other things.

					-Matt
					Matthew Dillon 
					<dillon at xxxxxxxxxxxxx>