Ncurses
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Ncurses stands for New Curses which is provided by the GNU team. It is the GUI between console and graphical to the point you use a mouse such as X or Windows. For the pedantic, I'm aware you can use a mouse in ncurses, such as software like gpm.
Let's try to make a Hello World program with ncurses. You will require gcc installed to try this, as well as an editor such as vi. Create a file called ncurses.c and enter the following into it:
#include <ncurses.h> int main() { initscr(); /* Start curses mode */ printw("Hello World"); /* Print Hello World */ refresh(); /* Print it on to the real screen */ getch(); /* Wait for user input */ endwin(); /* End curses mode */ return 0; }
once you save the file, let's compile it:
$ gcc -Wall -lncurses -o ncurses ncurses.c
-Wall will print all warnings, but you should have none. Now we will run our executable:
$ ./ncurses
You should see your screen completely get cleared (this was initscr()) and then it will print Hello World. For your next steps, check out the Manual at
$ man 3 ncurses