CentOs8 gccをインストールする手順

sudo dnf group install "Development Tools"

sudo dnf install man-pages

gcc --version

<出力結果>
gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5)
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

nano hello.c

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

gcc hello.c -o hello

./hello

<出力結果>
Hello World