ps -aux command on RH 9 , treads , and previous RH versions

Hello ,

I am using RH7.3 , RH8 , and RH 9 .
I am writing an application in C++, called myApp (the executable) which uses 
5 threads; (posix threads)
Now , the output of ps -aux | grep myApp
on RH7.3 , RH8 is 6 lines .
in RH9 it is only one line;
In fact , I wish sto see the all as in previous versions of RH (or maybe the 
problem
is somewhere with my install of RH9? , etc...)
regars
sting

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