Which two statements are true about the group owner of a process? (Choose two.)
A.
The real group owner of a process is the group to which the file belongs.
B.
The real group owner of a process is the primary group of the user who started the process.
C.
The effective group owner of a process changes according to the group of the files that the
process deals with.
D.
The effective group owner of a process is usually the primary group of the user who started the
process even if the SGID access mode has been applied to the file.
E.
The effective group owner of a process is usually the primary group of the user who started the
process, except when SGID access mode has been applied to the file.