...tmp/a opened as FD 3 /tmp/b opened as FD 4 /tmp/c opened as FD 5 /proc/self/fd/0 ==> /dev/pts/1 /proc/self/fd/1 ==> /dev/pts/1 /proc/self/fd/2 ==> /dev/pts/1 /proc/self/fd/3 ==>…