The user smith, whose primary group is smith, wants to create a file in his home directory,
which belongs to the group apps. Which two statements are correct?
A.
The user smith can use the newgrp command to change the primary group to apps, but a
password is required if smith is not listed in /etc/group as a member of the apps group.
B.
The user smith can use the newgrp command to change the primary group to apps, only
if smith is listed in /etc/group as a member of the apps group.
C.
SGID should be set on smith’s home directory to let smith create files that belong to a
group that is not his primary group.
D.
The user smith can create a file that belongs to the apps group, only If his private group
is the apps group as per /etc/group.