C Program

UNIX ar Examples: How To Create, View, Extract, Modify C Archive Files (*.a)

by Balakrishnan Mariyappan on August 11, 2010

ar is an archive tool used to combine objects to create an archive file with .a extension, also known as library.

In this article, let us discuss about how to create an user defined static library in C programming using the “ar” utility. The examples shows how to create, extract, and modify the archives using Linux ar command.
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Turbocharge Awk Scripts – Translate into C (Sudoku Revisted)

by Bill Duncan, VE3IED on February 10, 2010

Photo Courtesy: Kol Tregaskes

In the first article of this series we saw how awk could be put to work (or play) for more than just processing text. The simple script demonstrated the use of associative arrays, recursion and how we could use more arrays (more than required to represent the data) to speed up the processing. There were some teaser ideas left at the end if you were looking for something faster.
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How To Write, Compile and Execute C Program on Unix OS [With Hello World Example]

by Ramesh Natarajan on September 4, 2009

Question: I would like to understand the basics of how to write, compile and execute a C program on Linux OS. Can you explain it with a simple example?

Answer:  In this article, let us review very quickly how to write a basic Hello World C program and how to compile *.c program on Linux or Unix OS.

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