The Open Group Base Specifications Issue 6
IEEE Std 1003.1, 2004 Edition
Copyright © 2001-2004 The IEEE and The Open Group, All Rights reserved.

#### NAME

> unlink - call the unlink function

#### SYNOPSIS

> ``[XSI] 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()

#### CHANGE HISTORY

> First released in Issue 5.

End of informative text.

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