z/TPF Product Segment APAR History

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The z/TPF product segment APAR prerequisite data is available in two formats, 
CSV and XLSX. The data includes the following information for segments in
z/TPF, z/TPFDF and CDC (Continuous Data Collection).

 - APAR and PUT level of each change to the file
   - Blank if no APAR has affected the segment, otherwise a list of the
     APARs (with PUT level) in APAR close order 
   - Beginning May 23, 2016:  
      - In the XLSX format file, the list of APARs shown is limited to the 
        current PUT and the prior four PUTs. For example, during PUT 13 
        the list will contain APARs in PUT 9 - 13 only.
      - In the CSV file, the list of APARs shown contains all APARs starting
        with PUT 1.

 - Status: New | Changed | Obsolete
   - "New" means the file was new in the original product release, if the
     APAR(PUT) field is blank. 
   - "New" means the file was new in the APAR listed if the APAR(PUT) field
     has a single entry.
   - "Changed" means the file has been updated subsequent to its original
     release.
   - "Obsolete" means the file is no longer used as of the last APAR listed. 
 
 - Released In : BASE | HPO | APAR number
   - "BASE" means the file was part of the original z/TPF or z/TPFDF product
     release.
   - "HPO" means the file was part of the original HPO feature release.
   - APAR number means the file was added to the product with the APAR given. 
 
 - Format
   - The format identifies the type of file. Generally this is either a
     language type (C, assembler, C++, Java, etc) or a binary type (object,
     shared object, archive file, etc.) 
 
 - Functional Area code
   - The 3 character functional area classification.
 
 - Segment name


The CSV ("comma separated value") file holds the raw data for each segment where
each field is delimited with a special character, in this case, a semi-colon.
The XLSX file is a Microsoft Excel spreadsheet which has pre-processed the data
in the CSV and organized and formatted it into different worksheets for 
convenience. You should examine both files and become familiar with their
content. You can use the CSV file to derive information and customize it in
a way that suits you.

CSV File
--------
The first line of the CSV file contains the "last updated" date. The second
line provides titles for each semi-colon delimited field in all the remaining
records. All source shippable segments and binary objects and shared objects,
whether shipped of not, are included. If a segment has not been updated for
an APAR, the APAR (PUT) field will be empty. 

XLSX File
---------
The Excel spreadsheet (XLSX file) content is derived from the CSV file. There
are several different worksheets. The first worksheet labeled "All Segment 
History" contains all the segments for z/TPF Base and HPO, z/TPFDF, and CDC
combined. The remaining worksheets contain the same data, but are for a 
specific product or feature.

Further refinement of the data that is viewed can be done by the user in the
Microsoft Excel Viewer. The worksheets have been set up to enable use of
the "auto filter" function. This means you can limit the display to certain
rows that match the criteria you select. Click on the down arrow in the
first row of the column you wish to filter to specify the filter criterion.  

If you have the Microsoft Excel product installed, rather than the Viewer, 
you can do much more with the spreadsheet, including sorting data and creating
new worksheets.