
1) Fair amount of the match 2) Fair share for a pair 3) Two quarters
Found on
https://www.crosswordclues.com/clue/onehalf

OneHalf is a DOS-based polymorphic computer virus (hybrid boot and file infector) discovered in October,1994. It is also known as Slovak Bomber, Freelove or Explosion-II. It infects master boot record of the hard disk, and files with extensions .COM, .SCR and .EXE. It will not infect files that have SCAN, CLEAN, FINDVIRU, GUARD, NOD, VSAFE, MSAV o...
Found on
http://en.wikipedia.org/wiki/OneHalf
No exact match found.