Step 1 : Install g++

g++ is a unix/linux based c++ compiler usually operated via the command line.

To install g++ run the following command in terminal.

sudo apt-get install g++

After installation you can check whether it has has been installed correctly or not by running following command in terminal

g++ -v

Step 2 : Write the program

Write the following simple “Hello World” program in your favorite text editor and save it as “hello.cpp”

#include 
int main(){
    std::cout<<"Hello World"<<std::endl;
    return 0;
}

Step 3 : Compile the program

Open a terminal and move to the directory where you saved your “hello.cpp”

Run the following command to compile the code.

g++ hello.cpp -o hello

Step 4: Run the program

After compiling the code, in the same directory run the following command to run your Hello World Program.

./hello

It will give the following output in terminal

Hello World
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