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Friday, January 6, 2012

Running a C/C++ program in ubuntu


First check for the compiler installation as follows on your terminal:
[g++ --version]
if it gives the version of your compiler then run the programs as given below other wise just go through this tutorial:
Installing C/C++ compiler in Ubuntu


Running a c++ program


#include<iostream>
using namespace std;
int main()
{
cout<<"Hello world"<<endl;
}

Save it as first.cpp on your desktop.
Open the terminal and do as follows.
[g++ Desktop/first.cpp -o Desktop/first.o]
                                                         ^
                                                      first.o will be created if no error occurs
[cd Desktop]
[./first.o]

Running a C program


#include<stdio.h>
//using namespace std;
int main()
{
printf("Hello world\n");
}


Save it as second.c on your Desktop.

[g++ Desktop/second.c -o Desktop/second.o]
[cd Desktop]
[./second.o]

Here you can use gcc or g++ as g++ supports both.

If you have any question then write down the comments,I will be pleased to help you.

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