Download via Bittorrent

It would not be enough to stop here, though. The world economy will not collapse if creators of software choose to share their work with the world. It may not be the best choice for word processing (or maybe it is -- read on), but many see it as an "ISP …

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Getting the best out of atq when using Ubuntu

Therefore Linux adds a call to a tidy up routine which will restore the original blocked mask onto the call stack of the signalled process. If your computer came with a copy of Windows, then you paid for it, even if the store didn't tell you about that. This credit-card …

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Answered - your most burning quotaon questions

You may have already noticed that in order to execute shell script the file needs to be made executable by use of chmod +x FILENAME command. The kernel calls the modules initialization routine and, if it is successful it carries on installing the module. The g++ C++ compiler is ISO …

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A technical overview of passwd

Many times, it does this in order to avoid vice, but counterintuitively, only ends up creating more of it in the process. At kernel initialization time, the address families built into the kernel register themselves with the BSD socket interface. This subshell reinitializes itself, so that the effect is as …

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Generating use cases for Objective-C

Note that HP-UX, GNU/Linux (usually), Solaris and recent releases of FreeBSD cycle back to zero after 497 days, exactly as if the machine had been rebooted at that precise point. Each hardware controller has its own control and status registers (CSRs) and these differ between devices. The reason is …

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What's your favorite Linux terminal emulator?

This makes kernel memory deallocation easier as the smaller free blocks can be recombined into bigger blocks. This means that the process can continue to run. There are many ways to make money, so why choose a method that requires investing just as much time and effort into making software …

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The key to success with lpstat

This is especially true for large contributions, new features, or standalone code, like a driver for a specific piece of hardware. Knowledge and information are the building blocks of change. A runnable process is one which is waiting only for a CPU to run on. In addition, in the open …

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Which distro do you prefer to use KDE Plasma on?

Writing a byte to the middle of a file overwrites the byte previously located at that offset. Conceptually, nothing covered thus far would prevent multiple names resolving to the same inode. Without this surrounding commitment, IT decision-makers can be left in the dark...and that's not a good place to …

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Interesting apps based on ssh-keygen

Where the timers go in the timer table is statically defined (rather like the bottom half handler table bh_base). In fact, Richard Stallman wouldn't have bothered writing the GNU system if he thought his project wouldn't mean anything. In addition, in the open source world, vulnerabilities are discussed publicly, so …

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Download via SFTP

The new module also exports symbols to the kernel and insmod builds a table of these exported images. Notably, Linux is the fastest growing operating system released to date. More importantly, Linux strives to behave in accordance with POSIX and SUS requirements. WinModems lack some basic hardware on the modem …

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A simple guide to ld

You can customize the terminal, try different text editors, and install desktop environment of your choice. The results of such concurrent accesses rely on the ordering of the individual operations, and are generally unpredictable. Writing a byte to the middle of a file overwrites the byte previously located at that …

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Acceptable parameters when the library linker matters

The alternative is to have a micro-kernel structure where the functional pieces of the kernel are broken out into separate units with strict communication mechanisms between them. If one process crashes it will not cause another process in the system to crash. Unquoted text is assumed to be a function …

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Fall in love with uptime

Thus they are also called built-in commands. This means that companies can run Linux on very large and expensive hardware for big tasks, such as graphics rendering or chemical molecular modeling, as well as on older hardware, such as an old Sun UltraSPARC computer, to extend its lifetime in a …

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Running Gnome on Scientific Linux

Where system programs interface primarily with the kernel and system libraries, application programs also interface with high-level libraries. This is often a good idea, because it allows use of both operating systems (although not simultaneously), and it also allows Linux to access files on the other operating system. The instructions …

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Let your ALTLinux terminal speak its mind

This allows the ethernet layer to correctly receive IP packets and to pass them onto the IP layer. The boot disks are located in the bootdisks/ directory in the distribution tree. Indeed, they even have associated inodes. It is vital that we keep a philosophical approach so that our beliefs …

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Getting a mail server up and running on Caldera OpenLinux

Whereas MINIX is based on a microkernel that contains the bare minimum amount of code necessary to run an operating system, Linux has a monolithic kernel, which means that functions like the file system, virtual memory, and various system calls all take place in privileged kernel space. But the existence …

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How zgrep can spruce up your system

So that Linux can manage the processes in the system, each process is represented by a task_struct data structure (task and process are terms that Linux uses interchangeably). Signals have no inherent relative priorities. If you tried to code up something similar in C from scratch, you'd be looking at …

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Types of Hackers

In the most elemental definition, hacking can be described as the act of exploiting the weaknesses and shortfalls in a computer system, as well as the network of such a system. In the exploitation of these weaknesses, illegal acts might include stealing private information, accessing a network’s configuration and …

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Starting the portmap/rpcbind daemon at boot time

Like interrupts, some devices have a fixed DMA channel. Most processes consist of only a single thread; they are called single-threaded. The data is read by a head, which can detect whether a particular minute particle is magnetized. On GNU/Linux systems a file command can be used to identify …

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The ultimate guide to gs

These negative connotations include lack of quality, of robustness, of support and of long-term commitment. The shell program is what presents the prompt and accepts subsequent commands. This means that it's not enough for a Linux platform to support what an enterprise needs right now. Copyright does not protect facts …

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Instance names should not be specified when using hwclock

For those companies, Linux supports most UNIX commands and standards, which makes transitioning to Linux very easy because the company likely would not need to pur- chase additional software or retrain staff. Critics of free software often voice fears that the freedoms and low cost of free software will lead …

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Using more to view text files at the SLAX command line

There are three types of partition supported by fdisk, primary, extended and logical. The examples continue, but all hit the same chord: there is no use in preventing the spread of information. The source code for proprietary software is usually not made publicly available, or, if it is, there are …

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Sysadmin and Devops using rpm

This means that when the next process that attempts to access this memory gets a page fault, the shared memory fault handling code will use this newly created physical page for that process too. Many Unix systems (such as Solaris) scale well to specific large platforms, but not as well …

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Does it run under KDE on the Ubuntu Studio distro?

Moreover, even older and simpler machines can be used to study Linux without a graphical user interface (GUI), i.e., with only text and no images on the display screen. insmod copies the module into the allocated space and relocates it so that it will run from the kernel address …

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Installing a web server under Yellow Dog Linux

An exit status of zero indicates success. One year after the disclosure of Meltdown and Spectre, it is increasingly clear that we are dealing with an entirely new class of problems that will be keeping us busy for some time yet. A CPU is a small but powerful semiconductor device …

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Getting a mail server up and running on Sugar-on-a-Stick Linux

To accomplish more complex tasks, tools would simply be connected together, using pipes. As such it is possible to have two or more files and directories with the same name but letters of different case. The new vm_area_struct structure is put into the list of vm_area_struct pointed at by the …

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Programming with Python on Fermi Linux LTS

We have icons too, you know. An API defines the interfaces by which one piece of software communicates with another at the source level. These processes range from things like the X Window System to system programs (daemons) that are started when the computer boots. A runnable process is one …

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More benefits of Linux

The following benefits are true about the Linux system:

Free dіstrіbutіons

One of the maіn features of thіs operatіng system іs the avaіlabіlіty of free dіstrіbutіons, such as Ubuntu, Mandrіva, Fedora, etc. All of them are quіte sіmіlar іn appearance and have one “phіlosophy”. Thіs fact іs very useful for …

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Fall in love with pv

The first, the old timer mechanism, has a static array of 32 pointers to timer_struct data structures and a mask of active timers, timer_active. Processes can choose to ignore most of the signals that are generated, with two notable exceptions: neither the SIGSTOP signal which causes a process to halt …

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Will LXDE work without X Windows?

The basics of Unix programming have existed untouched for decades. So, if the operation value is 2, then -2 is added to the adjustment entry for this semaphore. Linux provides kernel memory allocation and deallocation routines and it is these that the device drivers use. Relative to the on-CPU cache …

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How makedbm can help power your webapp

It links the sock data structure to the BSD socket data structure using the data pointer in the BSD socket. The GNU C library provides more than its name suggests. The advocate could further explain why one particular distro was chosen and what software came pre-packaged/easily installed that made …

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Interesting apps based on ifconfig

Linux runs faster than both Windows 8.1 and Windows 10 thanks to its light-weight architecture. Common feedback would include questions about how something works or why you chose a particular approach along with suggestions for improvements or requests for changes. A block device cannot transfer or access a unit …

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Sysadmin and Devops using RedHat

So when you're writing something in your word processor and you want to check out something on the web, no need to review all your windows to find your browser, stacked all the way behind the others. Thus, the computer will request replacement of the disks during the course of …

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Redirecting standard output on the Kubuntu operating system

Another great quality of this dependable Linux distro for developers is its software delivery method. By contrast, most software carries fine print that denies users these basic rights, leaving them susceptible to the whims of its owners and vulnerable to surveillance. Advocating Linux is rarely an easy task. The saved …

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Downloading using Gwget

This integration would result in efficient administration. Filesystems usually exist physically (i.e., are stored on disk), although Linux also supports virtual filesystems that exist only in memory, and network filesystems that exist on machines across the network. Most processes consist of only a single thread; they are called single-threaded …

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The best Video player for the command line

A non-zero exit status indicates failure. Linux, on the other hand, builds on the Unix tradition by offering tried-and-true tools. The first IDE controller in the system is known as the primary IDE controller, the next the secondary controller and so on. This means that you cannot DMA directly into …

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A simple mistake with rev could cause many problems

The vm_next_shared and vm_prev_shared pointers are used to link them together. A real-world example of an API is the interfaces defined by the C standard and implemented by the standard C library. In other words, a thread is the abstraction responsible for executing code and maintaining the process's running state …

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