- Microsoft Forefront Threat Management Gateway, or TMG, is a network security solution for networks running the Windows Server operating system. Microsoft Forefront Threat Management Gateway includes a firewall, anti-virus suite, virtual private network server and Web cache protection. TMG is implemented so that you can individual computers do not need security software installed to each.
- TMG only works on Microsoft Windows Server operating systems. Windows Server 2008 includes the latest version of TMG installed by default. It can be opened from the Start menu in your administrative settings and allows you to customize all of the firewall, Web access and remote access policy you determine.
- The Apple Disk Image proprietary format DMG follows the need for a Mac-based disk image, as seen with ISO on Windows. DMG, unlike ISO, is not universal and is designed specifically for Mac computers. Therefore it offers a greater level of file compression compared to Windows equivalents. Most software developers distribute applications in the DMG file format.
- Mac OS X computers feature the inbuilt ability to handle DMG files. In Mac OS X, you just double-click a DMG file to mount it within the operating system. Likewise the files can be burned from Disk Utility. If you want to use a DMG file in Windows, you will need a third-party utility.
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