the role of % in windows 7

hi to everyone
i wanna know about the role of % in windows 7 may you help in this field
thanx to all:)

Write out your question completely.

thanx so much for ur attention
let'm i tell u one example

imagine we wanna use for each user one wallpaper / in policy /in part of display / we write this :
IP of the server system/the address of photo/% name (IP) user1/% name (IP) user2 /.........

by this we can share the photo as background of users
this is one of use of % in the windows
now i wanna knows about other use of %

thanx to all:)

What is the role for % that you are thinking about? Not aware of any special role for %.

I think he`s talking in a command line.

logicearth said:

I believe the OP is talking about Environment Variables.
https://en.wikipedia.org/wiki/Environment_variable

thanx so much
yes this is what i need it

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and found this site with people who are so kind

my teacher will give me great mark

thanx to all
all of u are so kind

happy to meet u here:)