What key sequence will suspend the current process and return you to a shell prompt?
A.
Ctrl-z
B.
Ctrl-c
C.
Ctrl-x
D.
Ctrl-d
Explanation/Reference:
CTRL+Z sends SIGINT to the current process, sending it to the background,
CTRL+C would send SIGTERM, ending the process
CTRL+D is used to signal an EOF
CTRL+X has no meaning in a shell