root@snappy:~# ls -lh /proc/self/fd/0
lrwx------ 1 root root 64 Apr 15 16:41 /proc/self/fd/0 -> /dev/pts/26
root@snappy:~# ls -lh /dev/pts/26
ls: cannot access /dev/pts/26: No such file or directory
root@snappy:~# cat /proc/self/fd/0
cdc
cdc
^C