qa.hlp (Table of Contents; Topic list)
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Int 21H Function 54H
   Summary  Notes  Back
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▀ Because read-after-write verification slows disk operations, the default
  state of the system verify flag is OFF.
 
▀ The state of the system verify flag can be changed through a call to Int
  21H Function 2EH or by the MS-DOS commands VERIFY ON and VERIFY OFF.
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