Sponsored Content
Full Discussion: Why use a hard link
Top Forums UNIX for Dummies Questions & Answers Why use a hard link Post 66701 by Perderabo on Wednesday 16th of March 2005 03:29:51 PM
Old 03-16-2005
You can do a "ls -l somefile" and get a count of the hard links. Counting soft links is rough.

Hard links are co-equals. Unlink either of them and the data remains. A daggling softlink is worse than useless.

A related issue... "ln falsetarget somecopy" will fail if falsetarget does not exist. "ln -s" would not detect a problem.

It takes some time to travel down a symlink to the target. Hards links are a very little bit faster.

All that said, I prefer hardlinks to files in the same directory. ls -l /usr/bin to see what I mean. Otherwise I tend to go with soft links.
 

10 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

Differences between hard link and soft link

Hi all! I'd like to know the differences between hard links and soft links. I've already read the ln manpage, but i'm not quite sure of what i understood. Does a hard link sort of copy the file to a new name, give it the same inode number and same rights? What exactly should I do to do this:... (3 Replies)
Discussion started by: penguin-friend
3 Replies

2. UNIX for Dummies Questions & Answers

reg hard link

Hi, Is it possible to have a hard link across partitions.... I need to take a data from one partition and write to to another partitions..If any modification of file done in Partition 1 ,it should be immediately reflected in partition2..I came to know hard link might work.... Is there... (1 Reply)
Discussion started by: deep
1 Replies

3. UNIX for Dummies Questions & Answers

Difference between hard link and soft link in unix

Hi All, Can any one please explain me what is the difference between hard link and soft link in UNIX. Thanks in advance Raja Chokalingam. (2 Replies)
Discussion started by: RAJACHOKALINGAM
2 Replies

4. UNIX for Dummies Questions & Answers

need some info about symbolic link and hard link

hello folks how y'all doin well i have some questions about symbolic link and hard link hope some one answer me i open terminal and join as root and i wrote ln -s blah blah then i wrote ls i see red file called blah blah but didn't understand what is this can some one explain and... (2 Replies)
Discussion started by: detective linux
2 Replies

5. UNIX for Advanced & Expert Users

Hard link

Hello, In unix, the normal user can't create a hardlink for a directory. why..? Is there any difference between creating a hard link for a file and directory? The super user can create a hard link for directories. Why we cannot create and super user can create.? Please, can anyone help... (1 Reply)
Discussion started by: nagalenoj
1 Replies

6. UNIX for Dummies Questions & Answers

Hard Link vs SOft Link????

Hi PLease let me know the usage of Hard Link vs Soft Link i.e what is the basic difference and what happens when one file is changed or deleted in both the cases??? thanks (3 Replies)
Discussion started by: skyineyes
3 Replies

7. UNIX for Dummies Questions & Answers

Difference between hard link and soft link

Hi Experts, Please help me out to find out difference between a hard link and a soft link. I am new in unix plz help me with some example commands ( for creating such links). Regards S.Kamakshi :) (2 Replies)
Discussion started by: kamakshi s
2 Replies

8. Shell Programming and Scripting

Find Hard Link

Goodmorning everybody. A question: How can i match if a file is an hard link or not? (6 Replies)
Discussion started by: Guccio
6 Replies

9. UNIX for Advanced & Expert Users

Hard Link Examples

Hello, Please move this if I chose the wrong forum category. This question pertains to Unix and Linux I believe. I google the difference between hard and symbolic/soft links and I understand the difference. What I am trying to find is a real example of a hard link being used in a Operating... (11 Replies)
Discussion started by: jaysunn
11 Replies

10. Shell Programming and Scripting

Creating hard link with name

How can I create a hard link to a file, then rename the hard link to a different name? (2 Replies)
Discussion started by: fhill2
2 Replies
SYMLINKS(8)						      System Manager's Manual						       SYMLINKS(8)

NAME
symlinks - symbolic link maintenance utility SYNOPSIS
symlinks [ -cdorstv ] dirlist DESCRIPTION
symlinks is a useful utility for maintainers of FTP sites, CDROMs, and Linux software distributions. It scans directories for symbolic links and lists them on stdout, often revealing flaws in the filesystem tree. Each link is output with a classification of relative, absolute, dangling, messy, lengthy, or other_fs. relative links are those expressed as paths relative to the directory in which the links reside, usually independent of the mount point of the filesystem. absolute links are those given as an absolute path from the root directory as indicated by a leading slash (/). dangling links are those for which the target of the link does not currently exist. This commonly occurs for absolute links when a filesystem is mounted at other than its customary mount point (such as when the normal root filesystem is mounted at /mnt after booting from alternative media). messy links are links which contain unnecessary slashes or dots in the path. These are cleaned up as well when -c is specified. lengthy links are links which use "../" more than necessary in the path (eg. /bin/vi -> ../bin/vim) These are only detected when -s is specified, and are only cleaned up when -c is also specified. other_fs are those links whose target currently resides on a different filesystem from where symlinks was run (most useful with -r ). OPTIONS
-c convert absolute links (within the same filesystem) to relative links. This permits links to maintain their validity regardless of the mount point used for the filesystem -- a desirable setup in most cases. This option also causes any messy links to be cleaned up, and, if -s was also specified, then lengthy links are also shortened. Links affected by -c are prefixed with changed in the output. -d causes dangling links to be removed. -o fix links on other filesystems encountered while recursing. Normally, other filesystems encountered are not modified by symlinks. -r recursively operate on subdirectories within the same filesystem. -s causes lengthy links to be detected. -t is used to test for what symlinks would do if -c were specified, but without really changing anything. -v show all symbolic links. By default, relative links are not shown unless -v is specified. BUGS
symlinks does not recurse or change links across filesystems. AUTHOR
symlinks has been written by Mark Lord <mlord@pobox.com>, the original developer and maintainer of the IDE Performance Package for linux, the Linux IDE Driver subsystem, hdparm, and a current day libata hacker. SEE ALSO
symlink(2) Version 1.4 October 2008 SYMLINKS(8)
All times are GMT -4. The time now is 04:59 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy