The magic translator provides /dev/fd. $ showtrans /dev/fd /hurd/magic --directory fd The /dev/fd directory holds the open file descriptors for your current process. You can't see them with \`ls -l /dev/fd/' but you can see them individually like this: $ ls -l /dev/fd/0 crw--w---- 1 bing tty 0, 0 Nov 19 18:00 /dev/fd/0 -- [[Main/BenAsselstine]] - 19 Nov 2006