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