Plan 9 from User Space /usr/local/plan9/plumb --rw-r--r-- M 0 glenda sys 4420 Mar 23 20:59 basic --rw-r--r-- M 0 glenda sys 124 Mar 23 20:59 fileaddr --rw-r--r-- M 0 glenda sys 89 Mar 23 20:59 initial.plumbing