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   GOLDED      GoldED Public Release discussion.      2,690 messages   

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   Message 635 of 2,690   
   Henri Derksen to Rob Swindell   
   Bug-report and patch.   
   04 Dec 15 21:57:00   
   
   Hello Rob,   
      
   > Synchronet "Real Fact" #84:   
   > The ZMODEM file transfer protocol is limited to files of 4 gigabytes or   
   > smaller.   
      
   Are you sure that limit is originated by the ZModem protocol?   
      
   To me it seems that it is a Filer limit.   
   FAT has indeed a limit of 4 GigaBytes in one only file sec.   
   Please try the same with NTFS on Windows, or EXT4 under Linux.   
   Maybe you can then store and transmit/receive lager files than 4 GB?   
      
   Somewhere I have heard or read that the limit is exactly 4 GiBi Bytes   
   minus one Byte !   
   So that limit could be: 4.294.967.295 Bytes long at the max.   
   It has something to do with the minus sign or so?   
   Note 4 GiB = 4 x 1024^3 or 4 x 2^30 = 4.294.967.296 bytes.   
   See the Table of Bytes under this message.   
   Much succes in getting over this limit.   
      
   Henri.   
      
      
      
   ***************************************************************************   
      
   Table of Bytes ;-)   
      
   2^0   =                                 1 = 1 bit   
   2^1   =                                 2   
   2^2   =                                 4   
   2^3   =                                 8 = 1 Byte   
   2^4   =                                16   
   2^5   =                                32   
   2^6   =                                64   
   2^7   =                               128   
   2^8   =                               256   
   2^9   =                               512   
   2^10  =                             1.024 = 1 kibi Byte  = 1024^1   
   2^11  =                             2.048   
   2^12  =                             4.096   
   2^13  =                             8.192   
   2^14  =                            16.384   
   2^15  =                            32.768   
   2^16  =                            65.536   
   2^17  =                           131.072   
   2^18  =                           262.144   
   2^19  =                           524.288   
   2^20  =                         1.048.576 = 1 Mebi Byte  = 1024^2   
   2^21  =                         2.097.512   
   2^22  =                         4.194.304   
   2^23  =                         8.388.608   
   2^24  =                        16.777.216   
   2^25  =                        33.554.422   
   2^26  =                        67.108.864   
   2^27  =                       134.217.728   
   2^28  =                       268.435.456   
   2^29  =                       536.870.912   
   2^30  =                     1.073.741.824 = 1 Gibi Byte  = 1024^3   
   2^31  =                     2.147.483.648   
   2^32  =                     4.294.967.296   
   2^40  =                 1.099.511.627.776 = 1 Tebi Byte  = 1024^4   
   2^50  =             1.125.899.906.842.624 = 1 Pebi Byte  = 1024^5   
   2^60  =         1.152.921.504.606.846.976 = 1 Exbi Byte  = 1024^6   
   2^70  =     1.180.591.620.717.411.303.424 = 1 Zebi Byte  = 1024^7   
   2^80  = 1.208.925.819.614.629.174.706.176 = 1 Yobi Byte  = 1024^8   
      
   Decimal Bytes and Binery Bytes, a big difference !   
      
   1000^1 = 10^3  kiloBytes  (kB)   1024^1 = 2^10 = 1024 x 10^3  kibiBytes (kiB)   
   1000^2 = 10^6  MegaBytes  (MB)   1024^2 = 2^10 = 1049 x 10^6  MebiBytes (MiB)   
   1000^3 = 10^9  GigaBytes  (GB)   1024^3 = 2^30 = 1074 x 10^9  GibiBytes (GiB)   
   1000^4 = 10^12 TeraBytes  (TB)   1024^4 = 2^40 = 1100 x 10^12 TebiBytes (TiB)   
   1000^5 = 10^15 PetaBytes  (PB)   1024^5 = 2^50 = 1126 x 10^15 PebiBytes (PiB)   
   1000^6 = 10^18 ExaBytes   (EB)   1024^6 = 2^60 = 1153 x 10^18 ExbiBytes (EiB)   
   1000^7 = 10^21 ZettaBytes (ZB)   1024^7 = 2^70 = 1181 x 10^21 ZebiBytes (ZiB)   
   1000^8 = 10^24 YottaBytes (YB)   1024^8 = 2^80 = 1209 x 10^24 YobiBytes (YiB)   
      
   So look at your media, i.e.Harddiscs, USB sticks or MicroSDCards etc..   
      
   ---   
    * Origin: Connectivity is the Future; UniCorn BBS 31 26 4425506 (77:8500/504)   

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