1 2 3FILE DESCRIPTORS: 5 open at exit. 4Open AF_UNIX socket ...: <unknown> 5 ... 6 7Open AF_UNIX socket ...: <unknown> 8 ... 9 10Open file descriptor ...: ... 11 <inherited from parent> 12 13Open file descriptor ...: ... 14 <inherited from parent> 15 16Open file descriptor ...: /dev/null 17 <inherited from parent> 18 19 20