fork() function explanation and examples in Linux C programming Language
fork() is used to create new process by duplicating the current calling process, and newly created process is known as child process and the current calling process is known as parent process. So we can say that fork() is used to create a child process of calling process.
The function - fork()
By using fork() function, we can create a exact same copy of the calling process, this function returns the process id of own and this process id is known as child process id and if we get the parent id of this process it would be the same as the parent process id in which fork() is exist.
fork() Example - C program demonstrating use of fork() in Linux
variable_name = fork();