In
Greek X =
chi and
P =
rho which when you say it fast enough could be the word
Cairo, which was the
codeword for
Microsoft’s distributed OS that was never fully released. Parts of it were shoved into
IIS,
DCOM ,
NTFS and other parts of
NT.
XP is also a common abbreviation for
christos, i.e.
Christ the
Savior .
from various fork posts which can be found at
http://groups.yahoo.com/group/fork/message/