unlink(1p)
NAME
unlink - call the unlink function
SYNOPSIS
unlink file
DESCRIPTION
- The unlink utility shall perform the function call:
- unlink(file);
- A user may need appropriate privilege to invoke the unlink utility.
OPTIONS
None.
OPERANDS
The following operands shall be supported:
file The pathname of an existing file.
STDIN
Not used.
INPUT FILES
Not used.
ENVIRONMENT VARIABLES
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 .
ASYNCHRONOUS EVENTS
Default.
STDOUT
None.
STDERR
The standard error shall be used only for diagnostic messages.
OUTPUT FILES
None.
EXTENDED DESCRIPTION
None.
EXIT STATUS
- The following exit values shall be returned:
- 0 Successful completion.
- >0 An error occurred.
CONSEQUENCES OF ERRORS
Default.
The following sections are informative.
APPLICATION USAGE
None.
EXAMPLES
None.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
link() , rm , the System Interfaces volume of IEEE Std 1003.1-2001,
unlink()
COPYRIGHT
- 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 .