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Media and Filepackage Objects to Portable Operating System Interface (1378.12/D13) to Handle Small Media

IP.com Disclosure Number: IPCOM000115887D
Original Publication Date: 1995-Jul-01
Included in the Prior Art Database: 2005-Mar-30
Document File: 4 page(s) / 92K

Publishing Venue

IBM

Related People

Greenlee, KL: AUTHOR [+5]

Abstract

Portable Operating System Interface (POSIX) documentation does indicate that it supports two packaging layouts; a hierarchical file system (disk, CD-ROM, etc.) and a bit stream serial format (tape). The problem is that while they support the layout of the files on the media, they do not have a way to support or control the actual media itself.

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Media and Filepackage Objects to Portable Operating System Interface
(1378.12/D13) to Handle Small Media

      Portable Operating System Interface (POSIX) documentation does
indicate that it supports two packaging layouts; a hierarchical file
system (disk, CD-ROM, etc.) and a bit stream serial format (tape).
The problem is that while they support the layout of the files on the
media, they do not have a way to support or control the actual media
itself.

      By creating MEDIA and FILEPACKAGE objects we can now control
small media creation and keep track of what is on each media.

      POSIX P1387.2 refers to an on-going standards project that is
currently in a working draft.  Refer to 'STANDARDS PROJECT' Draft
Standard for Information Technology - Portable Operating System
Interface (POSIX) System Administration - Part 2: Software
Administration, P1387.2/D13, April 1994.

      POSIX classes of Distribution, Bundle, Product, Subproduct,
Fileset and File maintain the order of the product components, but
there are no defined classes or attributes within the existing
classes for controlling the physical media.

      Since the Distribution is the software collection object for
the entire package, it contains a list of MEDIA objects for each
physical media to be created.  Each MEDIA object has the attributes
and methods shown in Fig. 1.  The FILEPACKAGE object has the
attributes and methods shown in Fig. 2.