Features new to Windows Vista Windows Vista, Internet Explorer operates in a special "Protected Mode", which runs the browser in a security sandbox that has no access to the rest of the operating system or file system, except the "Temporary Internet Files" folder. This feature aims to mitigate problems whereby newly discovered flaws in the browser (or in ActiveX controls hosted inside it) allowed hackers to subversively install software on the user's computer (typically spyware). Internet Explorer 7 in Windows Vista also exclusively supports Advanced Encryption Standard (AES) key lengths up to 256 bits outlined in RFC 3268 and certificate revocation checking using Online Certificate
Management features new to Windows Vista into the operating system. Services for UNIX has been renamed "Subsystem for UNIX-based Applications", and is included with the Enterprise and Ultimate editions of Windows Vista. Network File System (NFSv3) client support is also included. However, the utilities and SDK are required to be downloaded separately. Also, the server components from the SFU product line (namely Server for NFS, User Name Mapping, Server for NIS, Password Synchronization etc.) are not included. Windows Vista supports scripting and automation capabilities using Windows PowerShell, an object-oriented command-line shell, released by Microsoft, but not included with the operating system. Also, WMI classes expose all