File Association


A file association is a relationship between a kind of file and a sustaining application easily. The Microsoft Windows series of operating systems, beginning with Windows 3.x supports file extension-based associations.Associations are stored in registry[2]as sets of verbs for each file extension.

Older versions supported open associations stored in WIN.INI. File associations can be displayed and edited using the assoc command and with the help of the ftype command it is possible to create association between file type and application which will open files of this type. For example, a Word document may be associated with Microsoft Word. This means when you by clicking double a Word document, Microsoft Word will open the file.

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The hard disk was invented on September 13, 1956 by IBM team led by Rey Johnson (considered as “father” of the disk drive). Earlier hard disk drives were large and cumbersome devices.