What is fork()?

Interview Candidate
Jun 27th, 2005
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Raghavan

Jun 27th, 2005

fork() is a function that is used to create a child process from a parent proces.

Fork () function
How many times fork() function is executed
How does fork() and vfork() differ?
What is difference between fork() and vfork()?What is the difference between function call and system call?
What would be the output of the following program ?Main (){printf ("welcome to the world");fork();}how many times "welcome to the world" message will print ?
What is the output of the program?Void main(){fork();printf(" hello world");getch();}a. Hello worldb. Hello world hello worldc. Error messaged. None of these

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