has anyone created a second partition to dual boot mavericks and mountain lion? what are the advantages and disadvantages? can a mavericks partition be deleted latter with no issue?
http://osxdaily.com/2013/06/15/dual-boot-os-x-10-9-mavericks-and-os-x-10-8/
http://osxdaily.com/2013/06/15/dual-boot-os-x-10-9-mavericks-and-os-x-10-8/