What is CMD [ Command prompt ] ?

I assume you're talking about cmd.exe on Windows. The first operating system Microsoft released on PCs was MS-DOS. The entire user interface for it was just like what you see when you run cmd.exe. For 10 years after Microsoft started producing Windows, DOS applications were still popular. Windows ran as an application on top of DOS. At first, people used to boot into DOS, and then run win.exe to get into Windows, if they needed it. At some point it became possible to run DOS apps. inside of Windows, using the Command Window. Windows would simulate the operating environment of DOS so that DOS applications would think they had the machine all to themselves. This continued through the 1990s, and into the early 2000s. Eventually, Microsoft stopped supporting DOS applications inside the Command Window, and turned it into a 32-bit console environment. It was possible to write programs that would only run inside a command window, but they would not run on the old MS-DOS.

System administrators still prefer to have a command line to manage systems, and to run scripts for doing the same. Even in consumer environments on Windows, there are still some things that can only be accomplished using command line tools, since the Windows environment does not offer a graphical tool to do the same things.

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TIA/EIA 568a and 568b Wiring Color Codes

TIA/EIA-568-B.1-2001 is likely the most commonly used and talked about feature of the specification created in 1988. 568-a is the definition of pin assignments for the the pairs within Category 3 (CAT3), Category 5 (CAT5) and Category 6 (CAT6) unshielded twisted-pair (UTP) cables (eight conductor, 100-ohm balanced twisted pair cabling). The Pin/Pair assignments were named T568A and T568b, both of which define the pinout or specific order the UTP pairs need to be terminated within 8P8C (Eight Position, Eight Conductor) modular connecters, also known as RJ45 connectors. 568-A Color Code Pin #Wire Color 1-White/Green 2-Green 3-White/Orange 4-Blue 5-White/Blue 6-Orange 7-White/Brown 8-Brown 568-B Color Code Pin #Wire Color 1-White/Orange 2-Orange 3-White/Green 4-Blue 5-White/Blue 6-Green 7-White/Brown 8-Brown

What is Motherboard ?

Motherboard is a printed circuit board containing the principal components of a computer or other device, with connectors for other circuit boards to be slotted into.

What is Group Policy Management Console?

The Group Policy Management Console (GPMC) is a new and comprehensive administrative tool for Group Policy management. Prior to GPMC, administrators used property pages in various Active Directory administrative tools to manage Group Policy. For example, an administrator who wanted to implement policy for users might open the Active Directory Users and Computers snap-in, find an appropriate Organizational Unit (OU) and open its property page to access the Group Policy tab. On the Group Policy tab, the administrator might do any of a dozen or so administrative tasks, like creating Group Policy object links or manipulating their order to achieve the desired results. Whatever the tasks, when the administrator leaves the Group Policy tab, access to a visual representation of Group Policy ends and a view that focuses on Active Directory’s user and computer objects appears. GPMC integrates the existing Group Policy functionality of the property pages on the Active Directory admin...

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