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full - Man Page

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.



See Also

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

Referenced By


2024-06-15 Linux man-pages 6.9.1