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c13182ef 1.\" This man-page is Copyright (C) 1997 John S. Kallal
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93015253 3.\" %%%LICENSE_START(VERBATIM)
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4.\" Permission is granted to make and distribute verbatim copies of this
5.\" manual provided the copyright notice and this permission notice are
6.\" preserved on all copies.
7.\"
8.\" Permission is granted to copy and distribute modified versions of this
9.\" manual under the conditions for verbatim copying, provided that the
10.\" entire resulting derived work is distributed under the terms of a
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c13182ef 12.\"
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13.\" Since the Linux kernel and libraries are constantly changing, this
14.\" manual page may be incorrect or out-of-date. The author(s) assume no
15.\" responsibility for errors or omissions, or for damages resulting from
16.\" the use of the information contained herein. The author(s) may not
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18.\" which is licensed free of charge, as they might when working
19.\" professionally.
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21.\" Formatted or processed versions of this manual, if unaccompanied by
22.\" the source, must acknowledge the copyright and authors of this work.
4b72fb64 23.\" %%%LICENSE_END
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24.\"
25.\" correction, aeb, 970825
9ba01802 26.TH FULL 4 2019-03-06 "Linux" "Linux Programmer's Manual"
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27.SH NAME
28full \- always full device
3e04005b 29.SH CONFIGURATION
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30If your system does not have
31.I /dev/full
32created already, it
3e04005b 33can be created with the following commands:
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34.PP
35.in +4n
36.EX
37mknod \-m 666 /dev/full c 1 7
38chown root:root /dev/full
39.EE
40.in
fea681da 41.SH DESCRIPTION
8cef0f2a 42The file
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43.I /dev/full
44has major device number 1
fea681da 45and minor device number 7.
dd3568a1 46.PP
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47Writes to the
48.I /dev/full
a23d8efa 49device fail with an
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50.B ENOSPC
51error.
2e57726e 52This can be used to test how a program handles disk-full errors.
2dad4c59 53.PP
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54Reads from the
55.I /dev/full
d1a71985 56device will return \e0 characters.
2dad4c59 57.PP
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58Seeks on
59.I /dev/full
60will always succeed.
fea681da 61.SH FILES
7f6eb1aa 62.I /dev/full
47297adb 63.SH SEE ALSO
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64.BR mknod (1),
65.BR null (4),
66.BR zero (4)