How can a C/C++ program put itself into background?

Question

What\'s the best way for a running C or C++ program that\'s been launched from the command line to put itself into the background, equivalent to if the user had launched fro

Answer 1

I was trying the solution.

Only one fork is needed from the parent process.

The most important point is that, after fork, the parent process must die by calling _exit(0); and NOT by calling exit(0);

When _exit(0); is used, the command prompt immediately returns on the shell.

This is the trick.