Examine the following output:
[root@station1]ps -f
UID PID PPID C STIME TTY TIME CMD
root 3944 3820 1 03:32 tty1 01:57 -bash
root 3984 3944 0 03:32 tty1 01:57 ksh
root 3985 3984 0 03:32 tty1 01:57 ps -f
Which columns would you analyze to find the most recently invoked shell?
A.
Analyze only the PID.
B.
Analyze only the UID.
C.
Analyze only the PPID.
D.
Analyze both the UID and PID.
E.
Analyze both the PID and PPID.
F.
Analyze both the UID and PPID.
Explanation: