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link(1M) link(1M)

NAME

link, unlink - execute link() and unlink() system calls without error checking

SYNOPSIS

/usr/sbin/link ﬁle1 ﬁle2

/usr/sbin/unlink ﬁle

DESCRIPTION

The link and unlink commands perform their respective system calls (link() or unlink())on

their arguments, abandoning most error checking.

These commands can be executed only by users who have appropriate privileges.

EXTERNAL INFLUENCES

Environment Variables

LC_MESSAGES determines the language in which messages are displayed.

If LC_MESSAGES is not speciﬁed in the environment or is set to the empty string, the value of LANG is

used as a default for each unspeciﬁed or empty variable. If

LANG is not speciﬁed or is set to the empty

string, a default of "C" (see lang(5)) is used instead of

LANG.

If any internationalization variable contains an invalid setting,

link behaves as if all internationalization

variables are set to "C". See environ(5).

International Code Set Support

Single- and multi-byte character code sets are supported.

RETURN VALUE

link and unlink return the following values:

0 Operation successful.

1 Input syntax error.

2 The link() or unlink() call failed.

WARNINGS

If a directory that contains ﬁles other than . and .. is unlinked, the ﬁles become orphans, unless they

are also linked by some other directory.

Not all ﬁle systems permit linking to directories.