which environment(s) is a usermapper configuration supp…

In which environment(s) is a usermapper configuration supported?

A.
Linux

B.
UNIX

C.
Windows

D.
Windows and Solaris

Explanation:
http://corpusweb130.emc.com/upd_prod_VNX/UPDFinalPDF/en/User_Mapping.pdf (page 17, see
figure 1)