Answer:

SYSTEM

Answer	Crossword Clue
SYSTEM	Part of DOS
SYSTEM	Plan
SYSTEM	Word with buddy or honor

SYSTEM	Gambler's secret
SYSTEM	Gambler's quest
SYSTEM	Buddy follower
SYSTEM	Way
SYSTEM	Blackjack player's plan
SYSTEM	Doubling one's bets after losing, e.g.
SYSTEM	Bettor's aid
SYSTEM	Procedural method

SYSTEM	Set of principles
SYSTEM	Vegas strategy
SYSTEM	Modus operandi
SYSTEM	One may be used to pick Powerball numbers
SYSTEM	Solar follower
SYSTEM	Method
SYSTEM	Gambler's creation
SYSTEM	Procedure

SYSTEM	The "S" in DOS
SYSTEM	Way to do it
SYSTEM	The "S" of DOS
SYSTEM	Computer network
SYSTEM	Part of GPS
SYSTEM	Public-address follower
SYSTEM	Gambler's method
SYSTEM	Gambler's strategy

SYSTEM	Nervous ..
SYSTEM	Solar ..
SYSTEM	Logical procedure
SYSTEM	Gambler's following
SYSTEM	Betting strategy
SYSTEM	Methodical way
SYSTEM	Bettor's strategy
SYSTEM	Method of operation

SYSTEM	OS part
SYSTEM	Betting method
SYSTEM	Part of ABS
SYSTEM	Gambler's pipe dream.
SYSTEM	Large group of railroad lines.