Is there any functional changes between 11i and R12 with respect to this "Purge Concurrent Request a

 Hi,Is there any functional changes between 11i and R12 with respect to this "Purge Concurrent Request and/or Manager Data" concurrent program.

What i have observed is that in R12 , 

I see that when i run "Purge Concurrent Request and/or Manager Data" concurrent program with the parameter as 

Entity = 'REQUEST'

Mode = 'Count'

Mode Value = 1

Then all the concurrent programs except the latest one got deleted

But the same thing when run in 11i , i see that all the concurrent programs got purged .It deleted even the latest concurrent program.

Please confirm if the behaviour of 11i purge program is different from the R12 purge program.