Net use And Runas

[Guest]

1. login windows as user userA ,start one cmd window
2. exec the command " runas /user:userA cmd.exe"
3. in the new cmd window,exec "net use z: \\server\path"
4.in new/old cmd window ,exec "net use".
i find in new cmd window ,i can access the share path Z,but in old cmd
window i can't .
why? The user is same.

 

[Guest]

Can u give me a link about this behaviour. because I have no sense about
secrity.

thanks .