What are the extra features that the Bourne Again Shell (bash) has compared to the Bourne Shell
(sh)? (Choose all that apply.)
A.
background exit status
B.
read values from the terminal
C.
combine STDOUT and STDERR
D.
file name completion and command history
E.
allows functions and variables with the same name
F.
expansion of positional parameters beyond $9 with ${num}
Explanation: