Linux installation gcc command

Linux installation gcc command

Learn about gcc

gcc is the GNU compiler suite ( GNU Compiler Collection), which includes front-ends for C, C, Objective-C, Fortran, Java, Ada, Go language and D language, as well as libraries for these languages ​​(such as libstdc, libgcj, etc.). The original intention of GCC was to be a compiler specially written for the GNU operating system. The GNU system is completely free software. Here, "free" means that it respects the user's freedom.

CentOS installation command

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Use yum to install gcc in Centos

yum -y install gcc

Press the Enter key to install gcc Installation, if you want to install g, you need to enter in the command line:

yum -y install gcc-c++

to install g.

Ubuntu installation command

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Use apt to install gcc in Ubuntu

sudo apt install build-essential

Verification

gcc --version

Compiling Hello World Example

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Compiling a basic C or C program using GCC is very simple. Open a text editor and create the following file:

nano hello.c

#include <stdio.h>
int main(){
    printf ("Hello World!\n");
    return 0;
}

Compile

gcc hello.c -o hello

This will create a binary file named hello in the same directory where you ran the command.

Execute hello program:

./hello

The program will display:

Hello World!

Recommended: [Linux video tutorial]

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