Users in the Sales Department Are Unable to Create New

Multiple Choice

Users in the sales department are unable to create new files in the shared directory /Sales . A junior Linux administrator determines the permissions on the directory are set to rwxr----- , and sales is the group owner of the directory. Which of the following is the BEST command for the junior administrator to issue to allow the users to create new files?

A) umask 002
B) chmod 770 /Sales
C) chmod g+s /Sales
D) chmod 777 /Sales