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The GNU Operating System and the Free Software Movement.
All Unix, Linux and other Unix-like operating systems are families of computer operating systems derived from the original Unix System from AT&T Bell Laboratories. Today, the largest Unix descendent directly certified as UNIX is macOS by Apple. The original commercial Unix derivatives included HP-UX, AIX and SunOS, to name a few. The diversity and perceived incompatibility between various Unix systems led to the creation of interoperability standards including the Portable Operating System Interface (POSIX). We provide free Linux and UNIX shell scripting, system administration and other programming help.
LinuxQuestions.org offers a free Linux forum where Linux newbies can ask questions and Linux experts can offer advice. Topics include security, installation, networking and much more.
SysTutorials publishes technical posts on Linux, Software, Programming and Web topics. SysTutorials welcomes sharing and publishing your technical articles. Please check here for contribution information.
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Bootlin – Embedded Linux and kernel engineering.
A collection of introductory technology tutorials covering Linux, Web development, general problem solving and graphic design.
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A help and support forum for Ubuntu Linux.
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Discussion forums for IT professionals and programmers. Get free computer help and support. We cover all aspects of tech support, programming, and digital media.
LKML.ORG - the Linux Kernel Mailing List Archive.
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Bootlin – Embedded Linux and kernel engineering.
Computational Methods in the Civic Sphere.
This tutorial is written to help people understand some of the basics of shell script programming (aka shell scripting), and hopefully to introduce some of the possibilities of simple but powerful programming available under the Bourne shell. As such, it has been written as a basis for one-on-one or group tutorials and exercises, and as a reference for subsequent use.
LinuxCommand.org is a web site that helps users discover the power of the Linux command line.
Manjaro is a Linux based distribution that can be installed as a alternative operating system on a wide range of devices.
Debian -- The Universal Operating System .
Ubuntu is the modern, open source operating system on Linux for the enterprise server, desktop, cloud, and IoT.