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The C Compiler: In UNIX and Linux operating systems, the compiler that is used to compile a C file is known as “gcc”. Here “gcc” stands for GNU C Compiler. Compiling program with gcc: ~You can use your favorite editor to write a C program....

Electronic Mail By using electronic mail, you can send messages, letters, and bio–data or any type of document to other users on the same system. We know that in the write command it is necessary that the recipient must be logged in and must not...

This script is a snippet which can be used to send an text email using perl programming. This is useful code for the Perl programmer which needs to automate the application as well email application in the script itself Just copy the below script...

The Evolution of Programming Languages   The first electronic computers appeared in the 1940's and were programmed in machine language by sequences of 0's and 1's that explicitly told the computer what operations to execute and in what order....

  Shell Control Structures Till now we have deal with sequential control instructions. In which the instruction are executed in a sequential order. But some times we have to choose the choice, like such happen when that is  true and if not then...

Introduction to C Shell Every Programmer C shell is a command language interpreter created by Bill Joy at the University of California at Berkeley. It is the standard shell, which is provided with BSD 4.1 and BSD 4.2 versions of UNIX. You can...

Loops Like Bourne shell, the C shell also supports three loop structures The foreach loop The while loop The repeat loop The foreach Loop The general for of the foreach loop is as: foreach shell_varaible        (value1 value2 value3...

Transforming XML If you are a backend systems developer or a systems architect, you should be seeing the value ofXML by now. A language that represents data in a vendor-neutral way, that is easy to parse, that isportable, and that you can use from...

  How To Traverse XML   To begin this article, we take a look at how to make the transformations dangled in front of you throughout the last article actually occur on your own local machine. This should give you a "virtual playground" where you...

The Programming Style   In earlier section we saw that how a flowchart is evolved to solve a problem. The flowchart is just an aid to the programmer to plan his strategy to solve a problem A computer can not directly interpret it. A computer can...