Following are some examples of commands and error messages. This is not an exhaustive list.
tar tvf /dev/nrtape
tar: /dev/nrtape: No such device
cpio -itvI /dev/nrtape
cpio: ERROR: Cannot open </dev/nrtape> for input. No such device
tar t
tar: archive file /dev/tape does not exist or is a regular file
/usr/etc/restore t
/dev/tape: No such file or directory