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CompTIA Linux+ Certification Guide by Philip Inshanally

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Working with the XDM

The XDM manages a collection of X servers. This could either be locally on the system or remotely on another X server on a network. The XDM utility is somewhat similar in nature to the older SysVinit, so you may be wondering about the concept of an X server. An X server is a program in the X Window system; it runs locally on the machine. It usually manages access to the graphics cards, displays, and interaction with the keyboard and mouse on the local machine. So what is an X Window system? Well, an X Window system , commonly called X, is an entire suite that is made up of a cross-platform, free client-server infrastructure for managing graphical user interfaces (GUIs) on a single or a range of computers, as is the case ...

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