You are executing this command in the default shell: sleep 5000 & The system displays a
number. This value is______.
A.
the priority of the /usr/bin/sleep process
B.
the current number of instances of the /usr/bin/sleep process
C.
the amount of memory allocated to the /usr/bin/sleep process
D.
the process group ID that includes the /usr/bin/sleep process
E.
the process ID of the /usr/bin/sleep process
F.
the process ID of the shell spawned to execute /usr/bin/sleep
Explanation:
E
E
$sleep 500 &
[1] 27200
$ps -ef | grep 27200
zfanta 27274 27189 0 17:46:37 pts/4 0:00 grep 27200
zfanta 27200 27189 0 17:46:19 pts/4 0:00 sleep 500
$ptree 27200
27188 /usr/lib/ssh/sshd
27189 -bash
27200 sleep 500