What is Dualfs option in 12.2.x ?

What is Dualfs option in 12.2.x ?

Oracle Applications R12.2.5 New Features: dualfs in cloning

From Oracle Applications Release 12.2.5 Version, we have dualfs option for cloning applications tier.We can use this feature in earlier 12.2.x versions also, if AD-TXK Delta 7 patch is applied. Before AD-TXK Delta 7, it was required to run adcfgclone twice on run and patch filesystems.Using dualfs option,we can create both run and patch fs at one time.

syntax:

-bash$ perl adcfgclone.pl appsTier dualfs