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Devyn Johnson
Works at DCJTech
Attends ITT Technical Institute
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Devyn Johnson

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I have uploaded an icon theme for Linux on DCJTech. The theme is based on Humanity and has additional icons. The theme is free to download.
http://dcjtech.info/topic/icon-theme-downloads/
Humanity Deluxe - http://dcjtech.info/wp-content/uploads/2016/01/Humanity-Deluxe-and-Mimetypes.tar.xzEmail: DevynCJohnson@Gmail…
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Devyn Johnson

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A real-time operating system (RTOS) is an operating system capable of processing commands in a consistent amount of time. Linux is gaining real-time support as discussed in my article.
http://dcjtech.info/topic/real-time-linux/
A real-time operating system (RTOS) is an operating system capable of processing commands in a consistent amount of time. Real-ti…
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Devyn Johnson

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Many GNU/Linux users have probably heard of systems calls. A system call is a special function/command that a program uses to communicate with the kernel of the operating system. The Linux kernel has a variety of system calls that it recognizes. Learning these system calls helps people to understand how GNU/Linux works. Even general/mainstream Linux users may find it interesting to know just how complicated the system is even though the user cannot see the complexity.
http://dcjtech.info/topic/linux-kernel-system-calls/
Many GNU/Linux users have probably heard of systems calls. A system call is a special function/command that a program uses to com…
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Devyn Johnson

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A special part of the Linux kernel called "binfmt_misc" permits various formats of executable files to be recognized. Without this part of the kernel, certain files would not execute. For example, binfmt_misc allows JAR files to be executed (if the Java Virtual Machine is installed). If WINE and Mono are installed, then binfmt_misc can also pass Windows, DOS, and .NET files to the proper place for execution. With the proper utilities, even C-programming source code can be executed like scripts. With possibilities like that, it is worth learning about binfmt_misc.
http://dcjtech.info/topic/weird-scripts/
A special part of the Linux kernel called "binfmt_misc" permits various formats of executable files to be recognized. Without thi…
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Devyn Johnson

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Linux can serve numerous purposes such as web-servers, routers, firewalls, embedded devices, etc.. Obviously, Linux can also act as a Tor Relay. Tor Relays are a crucial part of the Tor Darknet (Onion Network). If more people understood how to setup a Tor Relay, then perhaps, the Onion Network would be larger, faster, and better.
http://dcjtech.info/topic/setting-up-tor-relays/
Linux can serve numerous purposes such as web-servers, routers, firewalls, embedded devices, etc.. Obviously, Linux can also act …
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Devyn Johnson

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In this session, we will familiarize ourselves with the installation requirements and see what tools are needed for programming i…
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Devyn Johnson

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In the field of cryptography, there are many types of cryptographic algorithms, each with their advantages, disadvantages, and uses. Cryptographic algorithms are more commonly used than one may think. Therefore, it may be quite beneficial to learn some of these algorithms.
http://dcjtech.info/topic/cryptographic-algorithms/
In the field of cryptography, there are many types of cryptographic algorithms, each with their advantages, disadvantages, and us…
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Devyn Johnson

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I have updated some of DCJTech's PDF cheatsheets ( http://dcjtech.info/topic/free-pdf-cheatsheets/ ). I also created and uploaded a cheatsheet for x86 Assembly (AT&T Syntax).
All PDF Cheatsheets - http://dcjtech.info/media_category/cheatsheet/ Cheatsheet Forum - http://dcjtech.info/forum/downloads/quizz…
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Devyn Johnson

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The Linux kernel has many system calls (syscalls) that perform low-level tasks. These system calls can be used as functions when writing programs that perform a low-level task or retrieve information from the kernel and other important processes. It may help some Linux users to understand how to implement syscalls in their programming.
http://dcjtech.info/topic/using-linux-syscalls-in-c-programming/
The Linux kernel has many system calls (syscalls) that perform low-level tasks. These system calls can be used as functions when …
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Devyn Johnson

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LibreOffice is a popular open-source alternative to Microsoft-Office. Like many other popular pieces of software, LibreOffice's abilities can be enhanced and expanded by using "extensions" (addons). With extensions, users can have additional gallery objects, calculation tasks (for LibreOffice Calc), dictionaries, and many other special features that people may need. Learning how to make LibreOffice extensions can further help open-source developers to contribute to the world and make people's lives and jobs easier and more efficient.
http://dcjtech.info/topic/creating-libreoffice-extensions/
LibreOffice is a popular open-source alternative to Microsoft-Office. Like many other popular pieces of software, LibreOffice's a…
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Devyn Johnson

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For people wanting to learn computer programming, I can teach numerous languages. Such languages include
- C
- Python3
- Shell Scripting (BASH and POSIX)
- Assembly (Intel Syntax)
- HTML5
- Pseudo-code (generic computer logic)
- Many more (feel free to ask about a particular language)

Prices are negotiable and depend on length and depth of learning-sessions. I accept payment via PayPal, Mastercard, VISA, and more. I can teach any age (youth and adult), newbie or experienced, and group size (one or more people). I also teach via Internet (email, chat-room, etc.), telephone, and in-person (Southern-Indiana).

I am an experienced programmer, author, and instructor. You can learn more about me at http://dcjtech.info/about-the-crew/#devyncjohnson (WARNING: My website has ads). Or, I can tell you more about me during a free consultation. I am very flexible (schedule, frequency, teaching methods, etc.).

Feel free to contact me via email (DevynCJohnson@Gmail.com) or phone/text (1-812-631-5676) with questions and price-quotes.
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haha,you are so good.Now YOu become a teacher
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Devyn Johnson

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In this article, +kavi Hooman  shows us how to install Debian on a non-rooted Android device.
http://dcjtech.info/topic/install-debian-linux-on-your-android-device/
With this application, you can install Debian 6 on your Android Devices. This runs well and you do not need Root-privileges. Howe…
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Have him in circles
532 people
Prelaunch's profile photo
Max Wachtel's profile photo
Kyle Thompson's profile photo
Jose Luis Silva's profile photo
EdwaᴚĐ Σℓℛῗς's profile photo
Anupam Roy's profile photo
BQ Tech's profile photo
Deep Kumar's profile photo
Paolo Rossi's profile photo
Communities
30 communities
Education
  • ITT Technical Institute
    Electrical Engineering, 2013 - present
  • Oakland City University
    Biology, 2012 - 2013
  • Vincennes University Jasper campus
    General Studies (Biology), 2011 - 2012
Links
Contributor to
Story
Tagline
I love computer technology
Introduction
I am the developer and inventor of the Betabots and the Pysh engine (chatbot engine). I am one of the authors at Linux.org and I own my own website (http://dcjtech.info/).

Bio - http://dcjtech.info/about-the-crew/#devyncjohnson
Bragging rights
I write for Linux.org, manage http://dcjtech.info/, and go to college full-time. I can still do it all correctly and efficiently while maintaining a 4.0 GPA.
Work
Occupation
Student, writer, and website manager
Skills
Computer programming and writing
Employment
  • DCJTech
    Admin/Author, 2014 - present
    http://dcjtech.info/
  • Linux.org
    Author/Moderator, 2013 - present
    http://www.linux.org/
  • Farbest Foods Inc.
    Factory worker, 2014 - 2014
    Turkey factory (quit due to work-related injury)
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Gender
Male