full(4) Device Drivers Manual full(4) NAME full - always full device CONFIGURATION If your system does not have /dev/full created already, it can be created with the following commands: mknod -m 666 /dev/full c 1 7 chown root:root /dev/full DESCRIPTION The file /dev/full has major device number 1 and minor device number 7. Writes to the /dev/full device fail with an ENOSPC error. This can be used to test how a program handles disk-full errors. Reads from the /dev/full device will return \0 characters. Seeks on /dev/full will always succeed. FILES /dev/full SEE ALSO mknod(1), null(4), zero(4) Linux man-pages 6.7 2023-10-31 full(4)