C shell question

[ryach at sedona]

I am posting this question for a friend.  Does anyone know if it is possible
for a process to figure out if it is running in the background vs.
interactive?  All the "experts" at this site do not know.  If you have a way,
please respond to 

rpaul at sedona.intel.com

thx



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Randy L. Yach          :   /__/  __   __   __/       /  /  __  __  /__   
Intel Corporation      :  /  \_/__/_/  /_/__/_/__/   \_/_/__/_/___/  /   
ryach at sedona.intel.com :                        /     /