.\" This man-page is Copyright (C) 1997 John S. Kallal .\" .\" SPDX-License-Identifier: Linux-man-pages-copyleft .\" .\" correction, aeb, 970825 .TH full 4 2022-10-30 "Linux man-pages 6.04" .SH NAME full \- always full device .SH CONFIGURATION If your system does not have .I /dev/full created already, it can be created with the following commands: .PP .in +4n .EX mknod \-m 666 /dev/full c 1 7 chown root:root /dev/full .EE .in .SH DESCRIPTION The file .I /dev/full has major device number 1 and minor device number 7. .PP Writes to the .I /dev/full device fail with an .B ENOSPC error. This can be used to test how a program handles disk-full errors. .PP Reads from the .I /dev/full device will return \e0 characters. .PP Seeks on .I /dev/full will always succeed. .SH FILES .I /dev/full .SH SEE ALSO .BR mknod (1), .BR null (4), .BR zero (4)