فصل بين الصلاحيات(A window manager subsystem that blocks applications at a lower UI privilege level from sending messages to or hooking threads belonging to processes with a higher UI privilege level)
فصل صلاحية واجهة مستخدم(A window manager subsystem that blocks applications at a lower UI privilege level from sending messages to or hooking threads belonging to processes with a higher UI privilege level)
عزل المستخدم(A method, using user names, for separating and isolating content areas within an FTP site. This is to ensure that users don't access FTP directories of one another)