Relevant Links

C programming interview questions:

https://www.tutorialspoint.com/cprogramming/cprogramming_interview_questions.htm

https://www.javatpoint.com/c-interview-questions

https://www.indiabix.com/technical/c/

http://career.guru99.com/top-100-c-interview-questions-answers/

http://www.cquestions.com/2010/10/c-interview-questions-and-answers.html

http://www.cquestions.com/

http://www.cquestions.com/2010/07/c-program-examples.html

http://placement.freshersworld.com/c-interview-questions-and-answers/33121831412

http://fresh2refresh.com/c-programming/c-interview-questions-answers/

http://a4academics.com/interview-questions/57-c-plus-plus/720-c-interview-questions-experienced

http://www.sanfoundry.com/c-interview-questions-answers/

https://www.toptal.com/c/interview-questions

http://www.thegeekstuff.com/2012/08/c-interview-questions/

http://www.careerride.com/basic-c-interview-questions.aspx

https://www.facebook.com/ProgrammersCreateLife/posts/552822908099925

http://www.includehelp.com/c-programs/c-interview-questions-and-answers-page-1.aspx

http://www.softwaretestinghelp.com/c-programming-interview-questions/

http://www.crazyforcode.com/c-programming/

https://www.quora.com/What-are-some-good-interview-questions-of-C

https://www.careercup.com/page?pid=c-interview-questions

http://redbushtechnologies.com/C-Language-Interview-Questions.php

https://www.toptal.com/c/interview-questions

C programming:

learn-c.org

cprogramming.com

cprogrammingexpert.com

mycplus.com

stackoverflow.com

c4learn.com

fresh2refresh.com/c-programming

cppreference.com

tutorialspoint.com/cprogramming

programmingsimplified.com

freebyte.com/programming/c

tutorialspoint.com/dip/index

Bash programming:

http://tldp.org/HOWTO/Bash-Prog-Intro-HOWTO.html

http://tldp.org/LDP/abs/html/

https://linuxconfig.org/bash-scripting-tutorial

https://en.wikipedia.org/wiki/Bash_(Unix_shell)

http://mywiki.wooledge.org/BashFAQ

https://bash.cyberciti.biz/guide/Main_Page

http://tldp.org/LDP/abs/html/

Linux Documentation:

http://www.tldp.org/

https://linux.die.net/

https://www.linuxmint.com/documentation.php

https://www.debian.org/doc/manuals/debian-reference/index.en.html

http://linuxdocs.org/

https://www.scientificlinux.org/

https://www.raspberrypi.org/documentation/linux/

Win32 programming:

http://www.winprog.org/tutorial/simple_window.html

http://www.functionx.com/win32/

http://www.alsprogrammingresource.com/win32.html

https://www.ugrad.cs.ubc.ca/~cs219/CourseNotes/Windows/intro.html

http://www.tenouk.com/cnwin32tutorials.html

http://www.installsetupconfig.com/win32programming/

Image processing:

irfanview.com

http://www.tutorialspoint.com/dip/

https://www.cs.washington.edu/research/metip/tutor/tutor.html

http://www.imageprocessingplace.com/root_files_V3/tutorials.htm

https://homepages.inf.ed.ac.uk/rbf/HIPR2/glossary.htm

https://processing.org/tutorials/pixels/

http://www.imageprocessingbasics.com/

http://www.scipy-lectures.org/advanced/image_processing/

Assembly programming:

https://www.tutorialspoint.com/assembly_programming/

http://www.pravaraengg.org.in/Download/MA/assembly_tutorial.pdf

http://pacman128.github.io/pcasm/

http://www.cs.virginia.edu/~evans/cs216/guides/x86.html

https://www.nayuki.io/page/a-fundamental-introduction-to-x86-assembly-programming

http://cs.lmu.edu/~ray/notes/nasmtutorial/

https://software.intel.com/en-us/articles/introduction-to-x64-assembly