Linux is a free software kernel, which combined with the GNU libraries, core utils and shell form the GNU/Linux operating system.
Ubuntu is a complete Linux-based operating system, freely available with both community and professional support. It is developed by a large community and we invite you to participate too!
Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run. Debian uses the Linux kernel (the core of an operating system), but most of the basic OS tools come from the GNU project; hence the name GNU/Linux.
Sed (streams editor) isn't really a true text editor or text processor. Instead, it is used to filter text, i.e., it takes text input and performs some operation (or set of operations) on it and outputs the modified text.
Sed is typically used for extracting part of a file using pattern matching or substituting multiple occurrences of a string within a file.
Gentoo is a free operating system based on either Linux or FreeBSD that can be automatically optimized and customized for just about any application or need. Extreme configurability, performance and a top-notch user and developer community are all hallmarks of the Gentoo experience.
Fedora is a free operating system that offers the best combination of stable and cutting-edge software that exists in the free software world.
FreeBSD is an advanced operating system for x86 compatible (including Pentium and Athlon), amd64 compatible (including Opteron, Athlon64, and EM64T), UltraSPARC, IA-64, PC-98 and ARM architectures. It is derived from BSD, the version of UNIX developed at the University of California, Berkeley. It is developed and maintained by a large team of individuals. Additional platforms are in various stages of development.
Kubuntu is a a user friendly operating system based on KDE, the K Desktop Environment. With a predictable 6 month release cycle and part of the Ubuntu project, Kubuntu is the GNU/Linux distribution for everyone.
The openSUSE project is a community program sponsored by Novell. Promoting the use of Linux everywhere, openSUSE.org provides free, easy access to the world's most usable Linux distribution, openSUSE. The openSUSE project gives Linux developers and enthusiasts everything they need to get started with Linux.
CentOS is a clone of Red Hat's Enterprise Linux (RHEL).
CentOS is based on the same source RPMS, except for modified artwork, trademark, etc. This means near-perfect binary compatibility with RHEL, and it probably means that CentOS will be supported for a very long time because the CentOS developers just need to re-compile Red Hat's source RPM packages. That way, your CentOS installations have a good chance of a long life without need for re-installations.
CentOS doesn't have the sam...
OpenSolaris is an open source project created by Sun Microsystems to build a developer community around the Solaris Operating System technology.
The OpenBSD project produces a FREE, multi-platform 4.4BSD-based UNIX-like operating system... efforts emphasize portability, standardization, correctness, proactive security and integrated cryptography. OpenBSD supports binary emulation of most programs from SVR4 (Solaris), FreeBSD, Linux, BSD/OS, SunOS and HP-UX.
Rockbox is an open source replacement firmware for portable music players. It runs on a wide range of different models.
Arch Linux is a lightweight and flexible linux distribution that tries to Keep It Simple.
Official packages optimized for the i686 and x86-64 architectures are available. We complement our official package sets with a community-operated package repository that grows in size and quality each and every day.
Mandriva Linux is a community-based Linux distribution, suitable for a wide range of solutions: from clustering to servers, firewalls and - most commonly - desktops. Mandriva Linux has a long history of open development, especially via the "Cooker", a fluid distribution that resembles a stable release for a few weeks every six months.
Parsix GNU/Linux is a live and installation CD derived from KANOTIX and based on Debian. It is a complete GNOME centric desktop oriented distribution. Beside of the dozens supported languages, Parsix GNU/Linux also supports Persian keyboard and users can switch to Persian with Alt+Shift keys. You can install and use Parsix GNU/Linux as your PC's operating system.
Puppet lets you centrally manage every important aspect of your system using a cross-platform specification language that manages all the separate elements normally aggregated in different files, like users, cron jobs, and hosts, along with obviously discrete elements like packages, services, and files.
Puppet's simple declarative specification language provides powerful classing abilities for drawing out the similarities between hosts while allowing them to be as specific as necessary, an...
Xubuntu uses the Xfce desktop environment, meaning that it will run fast while still delivering a user-friendly interface. Older computers feel lively again, while newer ones will run faster than ever before!
The Android platform is a software stack for mobile devices including an operating system, middleware and key applications. Developers can create applications for the platform using the Android SDK. Applications are written using the Java programming language and run on Dalvik, a custom virtual machine designed for embedded use, which runs on top of a Linux kernel.
Pardus is GNU/Linux distribution developed by TUBITAK/UEKAE according to computer literates' basic desktop needs; uses existing distributions' dominant parts as concept, architecture or code; provides easy use, configuration, installation with configuration environment and tools that can be converted to an autonomous system.