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The below script:
Response.Write Request.ServerVariables("PATH_INFO")
Produces: <%Response.Write Request.ServerVariables("PATH_INFO")%>

The below script:
Response.Write Server.MapPath("./")
Produces: <%Response.Write Server.MapPath("./")%> (The current directory)

The below script:
Response.Write Server.MapPath("/")
Produces: <%Response.Write Server.MapPath("/")%> (The root directory of the web site)
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