hdb3 refers to the third partition of the second hard drive.
The term 'linux cluster' can refer to numerous computer networks using the Linux system joining together by using the same IP address and becoming one giant network.
There is none. Not everyone agrees on what to call most Linux systems, but "GNU/Linux" tends to generate more controversy than saying just "Linux."
Linux is a kernel. It does not provide any other features of an operating system (such as an interface or programs). Linux is roughly the equivalent of ntoskrnl.exe in Windows 2000/XP/Vista. Complete operating systems containing the Linux kernel are usually referred to as "Linux distros."
By configuring the bootloader to use Windows as the default menu option instead of Linux. Refer to documentation on how to do this.
Linux is an operating system which is free and has an open source unlike Microsoft Windows. An embedded Linux is a small independent program used within all sorts of appliances to control its operation and its functions.
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"LUP" can stand for "Linux Upgrade Path," which refers to the process of upgrading a Linux distribution to a newer version. It can also refer to "Limited Use Pesticide," which is a classification for certain types of pesticides.
High density bipolar 3 zeros HDB3 digital signaling
Linux strictly speaking is a kernel used in many different operating systems. The simple answer is "the linux kernel" but that's not entirely correct, depending on whether the question is about Linux the kernel, or the often misused label "linux" meant to refer to any one of several hundred operating systems that run over the linux kernel. In my opinion, the defining component, the dominant trait, of linux is the modular design of the kernel. It need only be as big and complex as required, making it very small and simple, or a monolithic giant that can do anything, or anywhere in between.
Strictly speaking, a "shell" is simply the interface between the user and the rest of the operating system. In that definition not all shells on Linux are command lines. However, most day-to-day usage of the term "shell" does refer to command line user interfaces. Finally, "Linux shell" is not a thing. Linux is an operating system, specifically a kernel, not a shell. Most Linux distributions use BASH, but I personally prefer ZSH.
There are many diffferent memory management techniques used in any Operating System, and Linux is no different. The answer is not simple and is beyond the scope of this type of question. I would refer you to any of the Linux kernel books for more in-depth discussion of the techniques that are used.
== == There is no Linux 9 yet. In fact, there is no Linux 3 yet. Linux is still at major version 2. If you meant to ask about the differencences between R-HEL 4 an R-HEL 9, please ask the question again. What most people commonly refer to as "Linux" is actually the kernel or operating system for GNU/Linux. The operating system by itself provides amongst other things a (software) platform for programs to execute on. The reason for the "GNU" prefix relates the the utilities that form part of the user's view of the operating system. These utilites allow the creation of directories, the editing of files, deleting files, etc. These utilities are not distributed in a bundled form with the Linux kernel. The Linux kernel itself is distributed under a special license known as the GNU Public Licence (GPL) which allows people to distribute is legally, and to obtain it freely. Freely here does not refer to price, however. Many software vendors have started creating tools and bundled packages which include the Linux kernel. These vendors, such as Red Hat, or Mandrake, or SuSe, will then give their particular release a version number, such as Red Hat Linux 4, or Mandrake Linux 10.1. The difference mainly includes updated utilities, and an updated (newer) version of the Kernel itself. It is important to realise, however, that there is really no such thing as Linux 4, or Linux 9. One may see something along the Lines of Linux 2.4.26 or Linux 2.6, which is referring to the version or release of the Linux Kernel.