China DOS Union

Sender: ccccccc (Big Mouth★BBS Syndrome), Board: DOS
Title: DOS Versions
Posted from: Shuimu Tsinghua BBS Station (Thu May 20 01:06:44 1999)

Sender: dos (White Rabbit Boy), Board: DOS
Title: Basic DOS Knowledge (1)
Posted from: Yixian Time-Space Yat-sen Channel (Sat Mar 27 09:18:56 1999), on-site mail

Various DOS Versions

Version No. Year Added features
1.0 1981 Basic disk operation functions
1.25 1982 Double-sided floppy disks
2.0 1983 Hard disks, subdirectories
2.01 1983 Support for international codes
2.11 1983 Half-height floppy drives
2.25 1983 Extended character set
3.0 1984 1.2MB floppy disks, large hard disks
3.1 1984 PC network
　　3.2 1986 3.5-inch floppy disks
3.3 1987 Large-capacity hard disks, PS/2
4.0 1988 Provided a menu-driven environment
4.01 1988 Corrected errors in version 4.0
5.0 1992 Expanded memory usage range
6.0 1993 Provided doubled disk capacity, memory management fee
6.2 1994 Improved doubled disk capacity, provided ScanDisk
6.22 1995 Improved disk compression methods, supported CD-ROM


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※ Source:·Shuimu Tsinghua BBS Station bbs.net.tsinghua.edu.cn·

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