hiberfil.sys
http://support.microsoft.com/kb/930063

pagefile.sys is virtual memory

--
All the best,
SG
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"Bobbi" <bobbi@example.invalid> wrote in message
news:e4BCnY%23MIHA.4656@TK2MSFTNGP03.phx.gbl...
> There are two huge files in my C: drive, both about 2,095,000 KB. One is
> called hiberfil.sys, the other pagefile.sys. Can someone tell me what they
> do?
>
> Bobbi
>