刚发现MS-DOS 7.1是GPL版权的

[rui-xiao@live.cn]

PC-DOS倒是释放免费下载的版本了ftp://ftp.boulder.ibm.com/software/dos/，PC DOS 2000

我看到一下载MS-DOS 7 10的外国网站http://www.btmon.com/Applications/Windows/MS-D ... rrent.html，有人这样评论：
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mogto at 2006-09-02 18:46:00

Ok, I actually downloaded and checked (unlike you guys). This is MS-DOS 7.10. It's consistently referred to as such. The version of DOS on Windows 95 is consistently referred to as "MS-DOS 7.1". That is, seven point ONE. This is seven point TEN. And it's not IBM PC-DOS. My knowledge of DOS is not good enough to say for absolutely sure, but the license and the install .bat file claims it's licensed under the GNU GPL(!). And I have a vague recollection that a 7.10 version was the version targeting the Japanese market, or some such. The FILE_ID.DIZ inside the first archive seems to say it's distributed by the "China DOS Union". So, from my limited knowledge I'd say 7.10 is a late version of MS-DOS, patched to handle multibyte characters.