You are executing this command in the default shell: sleep 5000 & The system displays a number. This value is______. 

Answer options:

A. the priority of the /usr/bin/sleep process
B. the process ID of the /usr/bin/sleep process
C. the process ID of the shell spawned to execute /usr/bin/sleep
D. the process group ID that includes the /usr/bin/sleep process
E. the amount of memory allocated to the /usr/bin/sleep process
F. the current number of instances of the /usr/bin/sleep process

C

If a command is terminated by the control operator &, the shell executes the command asynchronously in a subshell. This is known as executing the command in the background. The shell does not wait for the command to finish, and the return status is 0 (true).