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DOS学习入门 & 精彩文章（教学室） » [Help] Why can't I copy files to the system32 directory on drive C under DOS

Floor1　zhangadmin	Posted 2010-09-05 21:54
初级用户　Posts 12　Credits 26
I copied the file shdoclc.dll from system32 to the D: drive under Windows, then modified this file, and then under DOS I tried to copy this file back to the system32 folder, copy d:\shdoclc.dll c:\windows\system32\ /y/h/r/k but why doesn't it work... XCOPY doesn't work either... [ Last edited by zhangadmin on 2010-9-5 at 21:59 ] Attachments dos1.PNG (29.55 KiB) dos2.PNG (26 KiB)

Floor2　yongge9999	Posted 2010-09-05 22:39
初级用户　Posts 9　Credits 24
The system protection feature prevents files from being copied into this directory; only under pure DOS or in PE can the copy succeed.

Floor3　zhangadmin	Posted 2010-09-07 14:02
初级用户　Posts 12　Credits 26
I did the experiment under Airi DOS; isn't Airi's DOS pure DOS?