link, unlink — execute link() and unlink() system calls without error checking
commands perform their respective system calls
on their arguments,
abandoning most error checking.
These commands can be executed only by users
who have appropriate privileges.
determines the language in which messages are displayed.
is not specified in the environment or is set to
the empty string, the value of
is used as a default for each
unspecified or empty variable.
is not specified or is set to the empty string, a default of "C" (see
is used instead of
If any internationalization variable contains an invalid setting,
behaves as if all internationalization variables are set to "C".
International Code Set Support
Single- and multi-byte character code sets are supported.
return the following values:
Input syntax error.
If a directory that contains files other than
is unlinked, the files become orphans,
unless they are also linked by some other directory.
Not all file systems permit linking to directories.
link: SVID2, SVID3
unlink: SVID2, SVID3