Table of Contents
unlink - call the unlink function
unlink file
The
unlink utility shall perform the function call:
unlink(file);
A user may need appropriate privilege to invoke the unlink utility.
None.
The following operands shall be supported:
- file
- The pathname of
an existing file.
Not used.
Not used.
The
following environment variables shall affect the execution of unlink:
- LANG
- Provide a default value for the internationalization variables that are
unset or null. (See the Base Definitions volume of IEEE Std 1003.1-2001, Section
8.2, Internationalization Variables for the precedence of internationalization
variables used to determine the values of locale categories.)
- LC_ALL
- If
set to a non-empty string value, override the values of all the other internationalization
variables.
- LC_CTYPE
- Determine the locale for the interpretation of sequences
of bytes of text data as characters (for example, single-byte as opposed
to multi-byte characters in arguments).
- LC_MESSAGES
Determine the locale
that should be used to affect the format and contents of diagnostic messages
written to standard error.
- NLSPATH
- Determine the location of message catalogs
for the processing of LC_MESSAGES .
Default.
None.
The standard error shall be used only for diagnostic messages.
None.
None.
The following exit values
shall be returned:
- 0
- Successful completion.
- >0
- An error occurred.
Default.
The following sections are informative.
None.
None.
None.
None.
link() , rm ,
the System Interfaces volume of IEEE Std 1003.1-2001, unlink()
Portions
of this text are reprinted and reproduced in electronic form from IEEE
Std 1003.1, 2003 Edition, Standard for Information Technology -- Portable
Operating System Interface (POSIX), The Open Group Base Specifications
Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics
Engineers, Inc and The Open Group. In the event of any discrepancy between
this version and the original IEEE and The Open Group Standard, the original
IEEE and The Open Group Standard is the referee document. The original Standard
can be obtained online at http://www.opengroup.org/unix/online.html
.
Table of Contents