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| .TH FULL 4 2019-03-06 "Linux" "Linux Programmer's Manual" |
| .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) |