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Floor1　我爱DOS	Posted 2003-06-04 00:00
初级用户　Posts 52　Credits 317
Under pure DOS, F5, F6, and F7 are displayed as @, ^Z, and ^@ respectively. What are they all used for?

Floor2　Wengier	Posted 2003-06-05 00:00
系统支持　Posts 10,521　Credits 27,736
These are special characters. For example, the ^Z shown by F6 is the end-of-file character.