1FULL(4) Linux Programmer's Manual FULL(4)
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6 full - always full device
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9 File /dev/full has major device number 1 and minor device number 7.
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11 Writes to the /dev/full device will fail with an ENOSPC error. This
12 can be used to test how a program handles disk-full errors.
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14 Reads from the /dev/full device will return \0 characters.
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16 Seeks on /dev/full will always succeed.
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19 If your system does not have /dev/full created already, it can be cre‐
20 ated with the following commands:
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22 mknod -m 666 /dev/full c 1 7
23 chown root:root /dev/full
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27 /dev/full
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30 mknod(1), null(4), zero(4)
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34Linux 1997-08-02 FULL(4)