| 词条 | Z-DOS |
| 释义 |
|name=Z-DOS |logo= |screenshot= |caption= |developer=Microsoft |source_model= |kernel_type= |supported_platforms=Intel 8088, Zenith Z-100 |ui=Command-line interface |family=MS-DOS |released= |latest_release_version= |latest_release_date= |marketing_target= |programmed_in= |prog_language= |language=English |updatemodel= |package_manager=N/A |working_state=Historic, Unsupported |license=Proprietary |website= }}Z-DOS is a discontinued OEM version of Microsoft's MS-DOS specifically adapted to run on the hardware of the Zenith Z-100 personal computer.[1] The Z-100 used a 8086-family microprocessor, (the Intel 8088), but otherwise had a completely different internal architecture from the IBM PC. At the time Microsoft's MS-DOS wasn't specifically geared to any specific hardware platform, but could be tailored to run on most any system as long as it used a 8086-compatible microprocessor, a situation completely like with the popular CP/M systems of the time, which typically used a 8080-compatible (8080, 8085 and Z80 among others) microprocessor. In order to achieve this, MS-DOS, like CP/M, relied on a platform-specific (DOS-)BIOS, which had to be written for the target machine, so that the hardware-independent DOS kernel could run on it. Beside IBM's OEM version of MS-DOS released as PC DOS there were dozens of other OEM versions of MS-DOS geared to a specific non-IBM-compatible OEM hardware—among them Zenith's Z-DOS. Only later, when almost 100% IBM-compatible clones became the norm, "MS-DOS" became the generic version which could run on most of them. This generic version of MS-DOS, however, could not run on the older non-IBM-compatible machines like the Z-100. References1. ^Z-100 at old-computers.com 3 : Disk operating systems|DOS issues|Floppy disk-based operating systems |
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