always full device
If your system
does not have /dev/full created already, it can be
created with the following commands:
666 /dev/full c 1 7
chown root:root /dev/full
/dev/full has major device number 1 and minor device
Writes to the
/dev/full device will fail with an ENOSPC
error. This can be used to test how a program handles
Reads from the
/dev/full device will return \0 characters.
/dev/full will always succeed.
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