Running bash commands in the background without printing job and process ids

Question

To run a process in the background in bash is fairly easy.

$ echo \"Hello I\'m a background task\" &
[1] 2076
Hello I\'m a background task
[1]+  Done             


        

Answer 1

Building on the above answer, if you need to allow stderr to come through from the command:

f() { echo "Hello I'm a background task" >&2; }
{ f 2>&3 &} 3>&2 2>/dev/null