The kernel makes its services available to the application programs that run on it through a large collection of entry points, known technically as system calls.
Roland Bouman's blog: Importing XML data into MySQL using ExtractData() - 0 views
How the Linux kernel works | TuxRadar Linux - 0 views
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From a programmer's viewpoint, these look just like ordinary function calls, although in reality a system call involves a distinct switch in the operating mode of the processor from user space to kernel space. Together, the repertoire of system calls provides a 'Linux virtual machine', which can be thought of as an abstraction of the underlying hardware.
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An even less visible function of the kernel, even to programmers, is memory management. Each process runs under the illusion that it has an address space (a valid range of memory addresses) to call its own.
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IceWalkerZ :- Born Free Live Free !!: Convert Gmail account into Web based file server - 0 views
[wubi] after installation: hangs on grub - Page 2 - Ubuntu Forums - 0 views
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"Well you can boot into Ubuntu following the steps below. But first, my hard disk configuration is: one disk with 3 partitions: - 1st one (sda1): is laptop recover data NTFS (came from factory and it's hidden) - 2nd one (sda2): is where I have Windows (Vista) NTFS installation and from where I installed Ubuntu inside using WUBI. - 3rd one (sda3): just a data backup NTFS partition To boot up Ubuntu, just restart computer and choose "Ubuntu" at windows boot menu. When it drops to prompt "sh:grub>" enter the following 4 (four) commands (change it according to your hard disk configuration): Quote: set root=(hd0,2) linux (loop0)/boot/vmlinuz-2.6.31-14-generic root=/dev/sda2 loop=/ubuntu/disks/root.disk ro initrd (loop0)/boot/initrd.img-2.6.31-14-generic boot Remember: 1. that you can press TAB key after "(loop0)" and "loop=" to get completion help/guidance. 2. at prompt "sh:grub>" you can type the command 'ls' to list the partitions. 3. (hd0,1) equals to /dev/sda1, (hd0,2) equals to /dev/sda2, (hd0,3) equals to /dev/sda3, ... You should now be able to boot to Ubuntu. Once inside Ubuntu, open a console and try to resolve the grub/wubi problem with the following commands (this part I can't confirm that will work): sudo update-grub sudo update-grub2 sudo grub-install /dev/sda sudo grub-install /dev/sda2 I hope this will help you guys. Regards."
Why Open Source Misses the Point of Free Software - GNU Project - Free Software Foundat... - 0 views
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Tens of millions of people around the world now use free software; the schools of regions of India and Spain now teach all students to use the free GNU/Linux operating system. Most of these users, however, have never heard of the ethical reasons for which we developed this system and built the free software community, because nowadays this system and community are more often spoken of as “open source,”, attributing them to a different philosophy in which these freedoms are hardly mentioned.
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In 1998, a part of the free software community splintered off and began campaigning in the name of “open source.” The term was originally proposed to avoid a possible misunderstanding of the term “free software,” but it soon became associated with philosophical views quite different from those of the free software movement.
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Nearly all open source software is free software. The two terms describe almost the same category of software, but they stand for views based on fundamentally different values. Open source is a development methodology; free software is a social movement. For the free software movement, free software is an ethical imperative, because only free software respects the users' freedom. By contrast, the philosophy of open source considers issues in terms of how to make software “better”—in a practical sense only. It says that nonfree software is an inferior solution to the practical problem at hand. For the free software movement, however, nonfree software is a social problem, and the solution is to stop using it and move to free software.
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Linux is NOT Windows !! - 0 views
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So, to avoid problem #3b: Just remember that what Linux seems to be now is not what Linux was in the past. The largest and most necessary part of the Linux community, the hackers and the developers, like Linux because they can fit it together the way they like; they don't like it in spite of having to do all the assembly before they can use it.
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So whilst vi has an interface that is hideously unfriendly to new users, it is still in use today because it is such a superb interface once you know how it works. Firefox was created by people who regularly browse the Web. The Gimp was built by people who use it to manipulate graphics files. And so on.
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However, there is an important difference between a FOSS programmer and most commercial software writers: The software a FOSS programmer creates is software that he intends to use. So whilst the end result might not be as 'comfortable' for the novice user, they can draw some comfort in knowing that the software is designed by somebody who knows what the end-users needs are: He too is an end-user. This is very different from commercial software writers, who are making software for other people to use: They are not knowledgeable end-users.
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Save Bandwidth by Setting Up a Fedora Mirror - LINUX For You Magazine - 0 views
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: it’s about mirrorin
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According to Wikipedia, “In computing, a mirror is an exact copy of a data set. On the Internet, a mirror site is an exact copy of another Internet site.” When you try to install a new package into your Fedora installation, either using PackageKit or Yum, it tries to fetch the packages from an Internet site along with the libraries and other software required for it, and install it on your computer. Now software like OpenOffice.org or OpenArena are very big and along with all their dependencies, the download size may be in the order of hundreds of megabytes.
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