As will be discussed in more detail below, the operation of the invention requires that {TAIL ~ the operating system} support {HEAD ~ installable device drivers} of the type introduced into Version 2.0 of the PC/MS DOS operating system, and later versions 
As will be discussed in more detail below , the operation of the invention requires that { TAIL ~ the operating system } support { HEAD ~ installable device drivers } of the type introduced into Version 2.0 of the PC / MS DOS operating system , and later versions
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