Several Linux distributions have chosen aufs as a replacement for UnionFS, including: Knoppix live CD Linux distribution – since the end of 2006, "for better stability and performance" NimbleX since version 2008.
数个Linux发行版已选择aufs作为UnionFS的替代品，包括： Knoppix live CD Linux发行版，自2006年年底以来，“为了更好的稳定性和性能” NimbleX（英语：NimbleX），自2008版本。