BSD 4_4_Lite1 release

[unix-history] / usr / src / bin / ln / ln.1

diff --git a/usr/src/bin/ln/ln.1 b/usr/src/bin/ln/ln.1
index b948e63..fd85a6b 100644 (file)
--- a/usr/src/bin/ln/ln.1
+++ b/usr/src/bin/ln/ln.1
@@ -1,11 +1,40 @@
-.\" Copyright (c) 1980, 1990 The Regents of the University of California.
-.\" All rights reserved.
+.\" Copyright (c) 1980, 1990, 1993
+.\"    The Regents of the University of California.  All rights reserved.

 .\"
 .\"

-.\" %sccs.include.redist.man%
+.\" This code is derived from software contributed to Berkeley by
+.\" the Institute of Electrical and Electronics Engineers, Inc.

 .\"
 .\"

-.\"     @(#)ln.1       6.5 (Berkeley) %G%
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"    This product includes software developed by the University of
+.\"    California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.

 .\"
 .\"

-.Dd 
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"    @(#)ln.1        8.2 (Berkeley) 12/30/93
+.\"
+.Dd December 30, 1993

 .Dt LN 1
 .Os BSD 4
 .Sh NAME
 .Dt LN 1
 .Os BSD 4
 .Sh NAME


@@ -13,44 +42,46 @@
 .Nd make links
 .Sh SYNOPSIS
 .Nm ln
 .Nd make links
 .Sh SYNOPSIS
 .Nm ln

-.Op Fl s
+.Op Fl fs

 .Ar source_file
 .Op target_file
 .Nm ln
 .Ar source_file
 .Op target_file
 .Nm ln

-.Op Fl s
+.Op Fl fs

 .Ar source_file ...
 .Op target_dir
 .Sh DESCRIPTION
 The
 .Nm ln
 .Ar source_file ...
 .Op target_dir
 .Sh DESCRIPTION
 The
 .Nm ln

-utility creates a new
-directory entry (linked file)
-which inherits the same modes as the orginal
-file.
-It is useful for maintaining multiple copies of a file in
-many places at once - without the `copies'; instead,
-a link `points' to the original copy.
+utility creates a new directory entry (linked file) which has the
+same modes as the original file.
+It is useful for maintaining multiple copies of a file in many places
+at once without using up storage for the
+.Dq copies ;
+instead, a link
+.Dq points
+to the original copy.

 There are two types of links; hard links and symbolic links.
 There are two types of links; hard links and symbolic links.

-How a link `points' to a file is one of the differences
-between a hard or symbolic link.
+How a link
+.Dq points
+to a file is one of the differences between a hard or symbolic link.

 .Pp
 .Pp

-Option available:
-.Tw Ds
-.Tp Fl s
+The options are as follows:
+.Bl -tag -width flag
+.It Fl f
+Unlink any already existing file, permitting the link to occur.
+.It Fl s

 Create a symbolic link.
 Create a symbolic link.

-.Tp
+.El

 .Pp
 By default
 .Nm ln
 makes
 .Em hard
 links.
 .Pp
 By default
 .Nm ln
 makes
 .Em hard
 links.

-A hard link to a file is indistinguishable from the
-original directory entry; any changes to a
-file are effective independent of the name used
-to reference the file.  Hard links may not refer to directories
-(unless the proper incantations are supplied) and may not span
-file systems.
+A hard link to a file is indistinguishable from the original directory entry;
+any changes to a file are effective independent of the name used to reference
+the file.
+Hard links may not normally refer to directories and may not span file systems.

 .Pp
 A symbolic link contains the name of the file to
 which it is linked.  The referenced file is used when an
 .Pp
 A symbolic link contains the name of the file to
 which it is linked.  The referenced file is used when an


@@ -87,14 +118,14 @@ makes links in
 to all the named source files.
 The links made will have the same name as the files being linked to.
 .Sh SEE ALSO
 to all the named source files.
 The links made will have the same name as the files being linked to.
 .Sh SEE ALSO

-.Xr rm 1 ,
-.Xr cp 1 ,
-.Xr mv 1 ,

 .Xr link 2 ,
 .Xr link 2 ,

+.Xr lstat 2 ,

 .Xr readlink 2 ,
 .Xr stat 2 ,
 .Xr readlink 2 ,
 .Xr stat 2 ,

-.Xr symlink 2
+.Xr symlink 2 ,
+.Xr symlink 7

 .Sh HISTORY
 A
 .Nm ln
 .Sh HISTORY
 A
 .Nm ln

-command appeared in Version 6 AT&T Unix.
+command appeared in
+.At v6 .