What Information Is Provided by the Echo $$ Command?
A) the Process ID of the Current Shell

Multiple Choice

What information is provided by the echo $$ command?

A) The process ID of the current shell.
B) The process ID for the following command.
C) The process ID of the last command executed.
D) The process ID of the last command which has been placed in the background.
E) The process ID of the echo command. The process ID of the echo command.