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FULL(4) Linux Programmer's Manual FULL(4)

full - always full device

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


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.

/dev/full

mknod(1), null(4), zero(4)

This page is part of release 5.01 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.
2019-03-06 Linux