How do I implement fork and exec in bash Let us suppose script as echo Script starts function to fork sleep 5 echo Hello echo Script ends Basically I want that function to be called as new process like in C we use fork and exec calls From the script it is expected that the parent script will end and then after 5 seconds Hello is printed

How about sleep 5 echo Hello World amp

[linux] fork and exec in bash

Use the ampersand just like you would from the shell.

#!/usr/bin/bash
function_to_fork() {
   ...
}

function_to_fork &
# ... execution continues in parent process ...

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