1 buildindex 2 checkarenas 3 checkindex 4 clumpstats 5 copy 6 findscore 7 fixarenas 8 fmtarenas 9 fmtbloom 10 fmtindex 11 fmtisect 12 mirrorarenas 13 printarena 14 rdarena 15 read 16 sync 17 syncindex 18 venti 19 verifyarena 20 wrarena 21 write