unlink invocation (GNU Coreutils 9.0)
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12.8 unlink: Remove files via the unlink syscall
unlink deletes a single specified file name. It is a minimalist interface to the system-provided unlink function. See Deleting Files in The GNU C Library Reference Manual. Synopsis: It avoids the bells and whistles of the more commonly-used rm command (see rm invocation).
unlink filename
On some systems unlink can be used to delete the name of a directory. On others, it can be used that way only by a privileged user. In the GNU system unlink can never delete the name of a directory.
The unlink command honors the --help and --version options. To remove a file whose name begins with ‘-’, prefix the name with ‘./’, e.g., ‘unlink ./--help’.
An exit status of zero indicates success, and a nonzero value indicates failure.
