1UNLINK(1P)                 POSIX Programmer's Manual                UNLINK(1P)
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PROLOG

6       This  manual  page is part of the POSIX Programmer's Manual.  The Linux
7       implementation of this interface may differ (consult the  corresponding
8       Linux  manual page for details of Linux behavior), or the interface may
9       not be implemented on Linux.
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NAME

12       unlink - call the unlink function
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SYNOPSIS

15       unlink file
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DESCRIPTION

18       The unlink utility shall perform the function call:
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21              unlink(file);
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23       A user may need appropriate privilege to invoke the unlink utility.
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OPTIONS

26       None.
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OPERANDS

29       The following operands shall be supported:
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31       file   The pathname of an existing file.
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STDIN

35       Not used.
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INPUT FILES

38       Not used.
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ENVIRONMENT VARIABLES

41       The following environment  variables  shall  affect  the  execution  of
42       unlink:
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44       LANG   Provide  a  default value for the internationalization variables
45              that are unset or null. (See  the  Base  Definitions  volume  of
46              IEEE Std 1003.1-2001,  Section  8.2,  Internationalization Vari‐
47              ables for the precedence of internationalization variables  used
48              to determine the values of locale categories.)
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50       LC_ALL If  set  to a non-empty string value, override the values of all
51              the other internationalization variables.
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53       LC_CTYPE
54              Determine the locale for  the  interpretation  of  sequences  of
55              bytes  of  text  data as characters (for example, single-byte as
56              opposed to multi-byte characters in arguments).
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58       LC_MESSAGES
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60              Determine the locale that should be used to  affect  the  format
61              and contents of diagnostic messages written to standard error.
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63       NLSPATH
64              Determine the location of message catalogs for the processing of
65              LC_MESSAGES .
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ASYNCHRONOUS EVENTS

69       Default.
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STDOUT

72       None.
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STDERR

75       The standard error shall be used only for diagnostic messages.
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OUTPUT FILES

78       None.
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EXTENDED DESCRIPTION

81       None.
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EXIT STATUS

84       The following exit values shall be returned:
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86        0     Successful completion.
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88       >0     An error occurred.
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CONSEQUENCES OF ERRORS

92       Default.
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94       The following sections are informative.
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APPLICATION USAGE

97       None.
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EXAMPLES

100       None.
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RATIONALE

103       None.
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FUTURE DIRECTIONS

106       None.
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SEE ALSO

109       link(), rm,  the  System  Interfaces  volume  of  IEEE Std 1003.1-2001,
110       unlink()
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113       Portions  of  this text are reprinted and reproduced in electronic form
114       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
115       --  Portable  Operating  System  Interface (POSIX), The Open Group Base
116       Specifications Issue 6, Copyright (C) 2001-2003  by  the  Institute  of
117       Electrical  and  Electronics  Engineers, Inc and The Open Group. In the
118       event of any discrepancy between this version and the original IEEE and
119       The  Open Group Standard, the original IEEE and The Open Group Standard
120       is the referee document. The original Standard can be  obtained  online
121       at http://www.opengroup.org/unix/online.html .
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125IEEE/The Open Group                  2003                           UNLINK(1P)
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