Why does /etc/profile unset TMP and TMPDIR?

Thu May 17 15:12:00 GMT 2001

I have found that the default /ect/profile file has the following two
commands:
unset TMP
unset TMPDIR
Both of these variable names are used to perform certain functions within
the ModelSim Verilog HDL Simulation tool. I have set them in my .bashrc file
and am now occasionally receiving runtime errors during extensive
simulations. Does anyone now if runtime errors could be related to the
inclusion of the TMP and TMPDIR environment variables within Cygwin? Or
better yet, does anyone know why are they unset in the first place?
Regards
=======================================================
Michael Glenn Anderson		 	Magis Networks, Inc.
manderson@magisnetworks.com	 	San Diego, CA 92130
direct: (858) 523-2356
www.magisnetworks.com 
=======================================================
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