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The GNU Operating System and the Free Software Movement.
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The Linux Documentation Project is working towards developing free, high quality documentation for the Linux operating system. The overall goal of the LDP is to collaborate in all of the issues of Linux documentation.
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.
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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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A collection of introductory technology tutorials covering Linux, Web development, general problem solving and graphic design.
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LKML.ORG - the Linux Kernel Mailing List Archive.
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Bootlin – Embedded Linux and kernel engineering.
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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.