CompTIA Linux+ (XK0-005) XK0-005 — Question 215

The group named support is unable to make changes to the config file. An administrator is reviewing the permissions and sees the following: $ ls -l config -rw-rw----. 1 root app 4682 02-15 11:25 config Which of the following should the administrator execute in order to give the support group access to modify the file while preserving the current ownership?