SSI related Unix In (link) support needed Post: 302543634

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Top Forums UNIX for Dummies Questions & Answers SSI related Unix In (link) support needed Post 302543634 by DGPickett on Monday 1st of August 2011 01:38:18 PM

08-01-2011

Registered User

The 'ln -s' command creates a symbolic link.

A UFS device is a pile of inodes, some directory, some file, device, named pipe or symbolic link.
https://www.unix.com/man-page/All/2/STAT/
https://www.unix.com/man-page/All/7/symlink/

A directory is just a pile of entry names and inode numbers (for same device as directory inode). If an inode number is in more than one directory, it is hard linked. Every directory /x/y/dir_name has '/x/y/dir_name/.' hard linked to '/x/y/dir_name and every child dir '/x/y/dir_name/*/..' ! Otherwise, directories cannot be hard linked, but other inodes can be mentioned in two directories, and so be hard linked.

Soft link is creating an inode marked as sym-link containing a path, either relative or absolute. The target might not exist. Some commands traverse the soft link, others look at the link itself. You can soft link either a file or a directory, anything, across devices or within. The resouce you want to soft link has to be mounted locally on that host, and then you can soft link it to be references anywhere. I used to have a web supported dir in mu home dir, $HOME/pub_html/ or something such, and to get out, I used symlinks. Same for FTP web access that presented my home dir as root, just 'ln -s $HOME/root /' and navigate through /root/!

Last edited by DGPickett; 08-01-2011 at 02:45 PM..

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list_link

list link(1m)															     list link(1m)

NAME

       list link - Displays a list of all the soft links whose names match the link name that you specify

SYNOPSIS

       cdscp list link link-name [with attribute-name = attribute-value]

ARGUMENTS

       The  full  name	of  a specific soft link.  The last simple name can contain wildcard characters.  The name of a particular attribute.  The
       value of a particular attribute.

DESCRIPTION

       The list link command displays a list of all the soft links whose names match the link name that you specify.  The  last  simple  name  can
       contain	wildcard  characters.	You  can  use  a  with	attribute-name	=  attribute-value clause to limit output only to soft links whose
       attributes have values equal to the specified values.  A space must precede and follow the = (equals sign).  This command does not list the
       name of the directory, object entry, or other soft link to which the soft link points.

   Privilege Required
       You  must  have	read permission to the directory that stores the soft link.  If you use a with	attribute-name = attribute-value clause in
       the command, you also need read or test permission to the selected soft links.

NOTE

       This command is replaced at Revision 1.1 by the dcecp command and may not be provided in future releases of DCE.

EXAMPLE

       The following command displays a list of all the soft links whose names begin with the letter l in the directory  /.:/admin.   cdscp>  list
       link /.:/admin/l*

			       LIST
			   SOFTLINK   /.../abc.com/admin
				 AT   1991-10-15-15:54:38 lnk01 lnk02 lnk03 lnk04 lnk05 lnk06

RELATED INFORMATION

       Commands: create link(1m), delete link(1m), remove link(1m), set link(1m), show link(1m)

																     list link(1m)