You have a file that contains confidential customer data called customer489.dat. You need to make this file available to the sales group but protect the data from other users. You are not a member…

You have a file that contains confidential customer data called customer489.dat. You need to make this file available to the sales group but protect the data from other users. You are not a member of the sales group and you do not have root access. -rw-r--r-- 1 tbussart staff 465394 Apr 1 15:20 customer489.dat $ getent group sales sales::1034:tom,dick,harry Which command will configure the file for the described access?