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embedded linux: Definition and Recommended Links

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Embedded Linux is the use of a Linux operating system in an embedded computer systems such as a mobile phones, personal digital assistants, media players and other consumer electronics devices, networking equipment, machine control, industrial automation, navigation equipment and medical instruments. According to a VDC survey, Linux was used by 18% of embedded engineers.[1]

Unlike desktop and server versions of Linux, embedded Linux is designed for devices with relatively limited resources, such as smaller sizes of RAM and much more limited secondary storage. Embedded Linux devices often have smaller flash memory-based secondary storage instead of a hard drive. Embedded Linux is also usually purpose-made for the required application and target hardware, and thus attempts to be the optimized form of the Linux kernel for that application. Most optimizations are done to make the OS a real-time operating system.

Source: Wikipedia (http://en.wikipedia.org/wiki/Embedded_linux)

other great electronics sites:ee toolbox site

• • embedded linux
    • Embedded Linux is the use of a Linux operating system in an embedded computer systems such as a mobile phones, personal digital assistants, media players and other consumer electronics devices, networking equipment, machine control, industrial automation, navigation equipment and medical instruments. According to a VDC survey, Linux was used by 18% of embedded engineers.[1]

      Unlike desktop and server versions of Linux, embedded Linux is designed for devices with relatively limited resources, such as smaller sizes of RAM and much more limited secondary storage. Embedded Linux devices often have smaller flash memory-based secondary storage instead of a hard drive. Embedded Linux is also usually purpose-made for the required application and target hardware, and thus attempts to be the optimized form of the Linux kernel for that application. Most optimizations are done to make the OS a real-time operating system.

      Source: Wikipedia (http://en.wikipedia.org/wiki/Embedded_linux)

      (Note: The Electronic Engineers Toolbox provides an alternative set of featured links for this word at http://www.cera2.com/embedded-linux.htm)

      Featured Links:

      Embedded Linux @ Wikipedia

      Embedded Linux is the designation for Linux-based operating systems that are used as embedded operating systems in cell phones, personal digital assistants, media player handsets and other consumer electronics devices. Linux is also suitable for other embedded applications such as networking equipment, machine control, industrial automation, navigation equipment, and medical instruments. Embedded Linux can be characterized as different...
      http://en.wikipedia.org/wiki/Embedded_Linux

      LinuxDevices The Embedded Linux Portal

      Our goal is to provide the highest possible concentration of quality information regarding the use of Linux in embedded applications. We intend to accomplish this by enabling YOU, the real Linux experts, to share information with others in a free and open manner. We will depend on the motivation and integrity of the embedded Linux developer community to make this vision a reality.
      http://www.linuxdevices.com/

      RTAI - the RealTime Application Interface for Linux from DIAPM

      Then RTAI might be the realtime extension of your choice! The Realtime Application Interface consists mainly of two parts: A patch to the Linux kernel which introduces a hardware abstraction layer A broad variety of services which make realtime programmers' lifes easier RTAI is a true community project.RTAI supports several architectures: x86 (with and without FPU and TSC) x86_64 (beta) PowerPC (recovering) ARM...
      https://www.rtai.org/

      DDC Announces Linux Support for Symmetric Multi-Processing Systems

      Data Device Corporation (DDC) has introduced updated Software Development Kits (SDK) for MIL-STD-1553 and ARINC 429 data bus applications that support Symmetric Multi-Processing (SMP) under the latest Linux operating system versions. SMP support can increase the performance of a Linux system. DDC’s SDKs allow users to develop C source code to simulate, monitor, or troubleshoot 1553 and/or ARINC 429 data buses simultaneously or independently,...
      http://www.ddc-web.com/News/Press/DDC_Linux_SMP.aspx

      Carrier Grade Linux

      Carrier Grade Linux provides the availability, scalability, and service response characteristics required by carrier-grade applications. Carrier Grade Linux complies to recognized standards such as the Linux Standard Base. The effort is aligned with existing forums and communities such as the Service Availability Forum.
      http://www.linux-foundation.org/en/Carrier_Grade_Linux

      Linux High Availability Project

      The basic goal of the High Availability Linux project is to: Provide a high-availability (clustering) solution for Linux which promotes reliability, availability, and serviceability (RAS) through a community development effort.
      http://www.linux-ha.org/

      Wind River Download Center - Free VxWorks and Linux Demos

      Find out how Wind River products can help you shorten your development cycle and enable you to create better feature-rich devices more quickly and reliably than your competitors. Test-drive a time-limited version of the following products (evaluation terms and conditions apply see the license agreement during installation process for details). Wind River® General Purpose Platform, VxWorks® Edition, 3.6 - Evaluation More Info ...
      http://www.windriver.com/download/index.html

      Bill Gatliff's Home Page

      Mr. Gatliff is one of the major 'guru's' of GNU/Embedded. This site is intended to be more than a personal homepage. There is information here on the work he is involved in, including the Crossgcc Wiki and gdbstubs projects. He also provides the text for most of my articles and presentations, many of which are useful as short tutorials.
      http://www.billgatliff.com/

      All Linux Devices

      All Linux Devices is a resource for professionals interested in maintaining the highest level of awareness pertaining to Linux and the Open Source (TM) community news. This Zine covers Linux and Embedded or Realtime Linux.
      http://alllinuxdevices.com/

      comp.os.linux.embedded

      This is a relatively new newsgroup (discussion board) devoted to the bad boy of all real-time operating systems, the spoiler of commercial royalties, and the love child of nerd everywhere: embedded Linux.
      news:comp.os.linux.embedded

      Explanation: these links are provided as part of our EE glossary project, which seeks to identify the most prominent keywords in embedded systems, embedded software, realtime and rtos, dsp (digital signal processing), system-on-a-chip, microprocessors and microcontrollers, and other constituent elements for embedded systems. While we seek to keep most of the links up-to-date, the user is refered to other primary electronic-based search sites such as: cera2.com, embedded.com, or EDN Magazine. If you have any suggestions of links or definitions, please email!

Mark Twain quote for the day:

...one of the first achievements of the legislature was to institute a ten-thousand-dollar agricultural fair to show off forty dollars' worth of pumpkins in- however, the Territorial legislature was usually spoken of as the "asylum".
- Roughing It