DOS成长汗青和版本环境

磁盘操纵体系是早期小我私人电脑上行使的一种首要操纵体系，风俗上按其英文缩写称作DOS(Disk Operation System)。最早的DOS体系是由微软公司为IBM小我私人电脑开拓的，即MS-DOS。其后这一观念也包罗了其他公司出产的与MS-DOS兼容的体系，如PC-DOS、DR-DOS, 以及少数一些不太着名的DOS兼容产物。它们在1985年到1995年间占有操纵体系的统治职位。

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Verified (*) indicates that the DOS kernel file size/date/time was matched against an archived copy

DOS Version History

Author Unknown

Version　Year　Features
 1.0　　　1981　Original Disk Operating System
 1.1　　　1982　Support for double-sided disks
 2.0　　　1983　Support for sub directories
 2.01　　 1983　Support for international symbols
 2.25　　 1983　Bug fixes
 3.0　　　1984　Extended character set, large hard disks
 3.1　　　1984　Support for PC networks, bug fixes
 3.2　　　1986　Support for 3.5-inch disks
 3.3　　　1987　Support for PS/2 computers
 4.0　　　1988　Support for large partitions
 4.01　　 1989　Bug fixes
 5.0　　　1990　New shell, new editor, smaller kernel, memory management
 6.0　　　1993　Disk Compression, better Memory Management, and AntiVirus
 　　　　　　　 software now included in the operating software.
 6.2　　　1993　Microsoft claims it was not a bug fix for 6.0,
 　　　　　　　 but most observers saw it as that.