nt the ownerships and permissions shown in this UNIX directory listing as a protection matrix. (Note: asw is a member of two groups: users and devel; gmw is a member only of users.) Treat each of the two users and two groups as a domain, so that the matrix has four rows (one per domain) and four columns (one per file) -rw-r-r-2 gmw users908May 26 16:45 PPP Notes rwx r-xr-x 1 asw devel 432 May 13 12:35 prog1 -rW-rw 1 asw users 50094 May 30 17:51 project.t -rw-r1asw devel 13124 May 31 14:30 splash.gif