You are in a world of hurt if you need this. The ^T is “ctrl + t” and is important for folders with spaces. It signifies a windows carriage return as the delims delimiter for batch or command line.
C:\ > for /F "usebackq delims=^T" %i in (`dir /s /b`) do attrib -h -s "%i"
this is easier:
C:\ > attrib -s -h /s /d