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Internet Message Format  |  1992-12-27  |  3.2 KB
  1. Path: sparky!uunet!ogicse!emory!gatech!paladin.american.edu!auvm!UCUNIX.SAN.UC.EDU!SHI
  2. From: shi@UCUNIX.SAN.UC.EDU (Wen-Bin Shi)
  3. Newsgroups: comp.infosystems.gis
  4. Subject: DOS operation and data format
  5. Message-ID: <9212271712.AA12836@ucunix.san.uc.edu>
  6. Date: 27 Dec 92 07:12:12 GMT
  7. Article-I.D.: ucunix.9212271712.AA12836
  8. Sender: Geographic Information Systems Discussion List <GIS-L@UBVM.BITNET>
  9. Lines: 57
  10. Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
  11. X-Envelope-to: gis-l@ubvm.cc.buffalo.edu
  12. Content-transfer-encoding: 7BIT
  13.  
  14.  
  15.         Dear netter;
  16.  
  17.         I have the following two questions not specifically related with
  18.         GIS.
  19.  
  20.         (1) Disks formatted on different machines with different
  21.         DOS versions can not be used interchangeably. Does anybody know
  22.         why and the solution for the problem? According the MS-DOS 5
  23.         reference book, "to use a diskette with all versions of MS-DOS,
  24.         use /B and /1 switches which format the diskette for any MS-DOS
  25.         version and format only one side." I tried it, it does not work.
  26.         After I formatted a disk on an IBM ps/2 machine with DOS 4.00,
  27.         I tried to use it on a DEC 325c machine with DOS 5.00, I got the
  28.         following error message: "General failure reading drive a". Then
  29.         I was trying to reformt the disk on the DEC machine, the machine
  30.         does not allow me to do so, and keeps giving me the meaasage:
  31.         "Invalid media or Track 0 bad - disk unusable. Format
  32.         terminated." This may be a silly question, but I do need an answer.
  33.  
  34.         (2) Can anybody recommand me some books regarding data formats,
  35.         particularly the ones we use frequently in GIS?
  36.  
  37.         Thanks in anticipation.
  38.  
  39.  
  40.  
  41.  
  42.  
  43.  
  44.                             [5m[5m    |    [0m
  45.                             [5m[5m    |    [0m
  46.                           [5m[5m   \  |  / [0m
  47.                   +        [5m[5m   \   /  [0m         +
  48.      +                 [5m[5m  -----     -----  [0m                   +
  49.                            [5m[5m   /   \   [0m            +
  50.               +           [5m[5m   /  |  \  [0m     +
  51.                       +         [5m[5m|    [0m
  52.         +                  [5m[5m     |    [0m               +
  53.              +                                 +      +
  54.   +                           +                              +
  55.                      +
  56.         +     A                                                         +
  57.              AAA                       +           +   A       +
  58.             AAAAA        +      A                     AAA
  59.     +      AAAAAAA             AAA                   AAAAA           +
  60.           AAAAAAAAA   +       AAAAA         +       AAAAAAA
  61.          AAAAAAAAAAA         AAAAAAA               AAAAAAAAA
  62.         AAAAAAAAAAAAA    +      |                 AAAAAAAAAAA
  63.        AAAAAAAAAAAAAAA         ~~~       +       AAAAAAAAAAAAA      +
  64. +     AAAAAAAAAAAAAAAAA                         AAAAAAAAAAAAAAA
  65.              | |                               AAAAAAAAAAAAAAAAA
  66.              | |                              AAAAAAAAAAAAAAAAAAA
  67.            ~~~~~~~                                    | |
  68.                                                       | |
  69.                                                       | |
  70.                                                    ~~~~~~~~~
  71.