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Questions tagged [hard-link]

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129
votes
4answers
170k views

Why are hard links not allowed for directories?

I am using Ubuntu 12.04. When I try to create a hard link for any directory, it fails. I can create hard links for files inside file system boundary. I know the reason why we cannot create hardlinks ...
52
votes
5answers
9k views

Are hard links equivalent to Windows shortcuts?

Wikipedia defines a hard link as: a directory entry that associates a name with a file on a file system. (A directory is itself a special kind of file that contains a list of such entries.) The ...
9
votes
2answers
5k views

What are some typical uses of hard links?

Everyone who was used to Windows can imagine what symlinks are and how they're used. On the other hand, the hard link concept is foreign to Windows (am I correct?). I would like to know what are the ...
5
votes
2answers
1k views

Colorize hardlinks in ls output?

How can I colorize hardlinks myself? Turns out on an old Ubuntu 10.04 I have, this happens by default (same .bashrc and .profile in use), whereas on the newer Ubuntu 12.04 it doesn't. This is the ...
4
votes
2answers
4k views

Does dropbox sync hardlinks?

I have a folder of large files. I want that folder to be in two different places at once - my Home documents, and my College documents folder. I've done this with a symlink in the College folder to ...
4
votes
2answers
992 views

Script Remove All hardlinks for a specific file

I want to delete all hardlinks for a specific file. The usage would be script somefile, this would count the hardlinks for the file somefile, then it's going to delete all hardlinks keeping this ...
3
votes
2answers
212 views

What happens when you make a hard link to a file in /mnt, and then unmount?

As far as I know, hard links will not break when a file is deleted. Because the file will remain to exist. But what happens when you mount a file system to /mnt for example, create a hard link to a ...
3
votes
1answer
650 views

Default number of links for directory?

I know that hard link can not point to directories but when i create an empty directory and execute stat command for it links=2 ,I search for symbolic links There is not another link. why for ...
3
votes
1answer
2k views

Is “mount --bind dir1 dir2” an alternative for hard links for directories?

It's a known fact that you cannot create hard links for directories. My question is whether can one use mount --bind dir1 dir2 instead of creating a hardlink of dir1 to dir2? which can't happen
2
votes
4answers
3k views

How to find all hardlinks in a folder?

I have two external disks that has the same files. One is encrypted, the other is not. The encrypted one has a lot less space left than the non encrypted, I now assume that it is because of hardlinks ...
2
votes
5answers
699 views

Why not design having the softlink (symlink) and hardlink in the same “link”?

I haven't used hardlinks for a long time and never really needed them until I was asked in an interview. I read their difference from symlinks here: What is the difference between a hard link and a ...
2
votes
2answers
716 views

List all files with multiple hardlinks and related path

How can I list all files with hardlinks and the associated paths? It should be a sorted list, by the inode ID. EDIT: sure, I mean all files with a hardlink number >=2 I thought about a list like ...
2
votes
1answer
245 views

Why does Nautilus show a file and its hard link as bigger than just the file?

When I create a hard link to a 2 KB file (called fun), Nautilus shows this hard link (called fun-hard) as a file with the same size. These two files are pointing to same inode so their combined ...
2
votes
1answer
701 views

Nautilus - no support for hard links?

I finally got round to studying and understanding hard links in my quest to check I have understood the basics, of which I have managed to skip a lot of. After realizing how brilliant they are, I ...
2
votes
1answer
1k views

why does directory contain 2 hard links

When I create a new directory it contain 2 hard links and when I go inside to the new directory it contain two directories (. and ..) . has hard link count 2 and .. has hard link count 3, but I learn ...
2
votes
2answers
95 views

using link command to see how it works

link file1.txt file2.txt file1.txt contains ham and file2.txt contains cheese. I added 123 in file1.txt. Now file1.txt has ham123. If my understanding is correct, any changes made in either file ...
2
votes
0answers
123 views

cp -l instead of cp -s does not work?

I have a folder symlink to core files and a folder with my improvements like this: core/ -> /some/distant/root/directory/core/ script_a.py special/script_b.py special/script_c.py core-improvements/ ...
2
votes
1answer
286 views

Why is there a .steampath in my home directory?

In the terminal, I see a broken link which is named .steampath, I didn't remove /home/user/.steam/sdk32/steam, but it is gone. Why is the .steampath there? Should I remove it?
2
votes
1answer
198 views

Make link open target file, not file at link location

Sorry for the tags. I don't know whih one applies. Please remove not pertaining ones, then delete this line. Or comment, and I'll do it myself. Background I want to put a link to a file located in /...
2
votes
0answers
43 views

How to properly share a directory with an another group member? soft-link / hard-link

My scenario is simple. I am working with another team members, and I want to share my directory with others. I created a symbolic link of the shared directory in their home directories. ln -s ~/...
2
votes
0answers
28 views

Show full-path for links [duplicate]

The real path for the folder TEMP DESK is: /home/username/Desktop/Dropbox/mystuff/TEMP DESK But when I click on the link that I created for it, it shows: /home/username/Desktop/Link to TEMP ...
1
vote
1answer
34 views

Am I using the “ln” and “unlink” commands correctly?

I have several JavaScript projects that use the same set of utility scripts. Today after copying (cp) the library folder for the dozenth time, I did some research I found the ln && unlink ...
1
vote
1answer
508 views

how to know how many hardlink count an inode has and where are they located

I need to know how many hard-links pointing to a certain inode. And where are those hard-links located in?
1
vote
1answer
6k views

ln works on command line but not in script

I try this: for file in `ls -1 ../files/file_??_??.dat` ; do echo "$file" ; ln "$file" ; done And for every file it gives this error: ln: failed to create hard link ‘./file_01_am.dat’ => ‘../...
1
vote
1answer
813 views

Hardlink count inconsistent with matching files

On searching for files that have hardlinks on my Portable HDD using the following command: $ find . ! -type d -links +1 -ls | sort -n I get an output of the following form (there are hundreds of ...
1
vote
1answer
335 views

D-Link DWL-G122 NetWork

I'm starting downloading ubuntu now, and I have a doubt, my computer needs a USB stick with wireless network to achieve .. And anyone know where I can download the drivers for this model? Or does ...
1
vote
0answers
23 views

Cannot double-click/open docx files and file-shortcuts at desktop at Ubuntu19.4

I recently upgraded to ubuntu 19.4. I used to ctrl+shift drag and drop files at desktop, in order to create shortcuts. At 19.4 some very useful functionalities are removed, I hope for good reason. You ...
1
vote
0answers
82 views

Back-in-time disk usage

I am using Back-in-time with encryption on a remote server (ext4 FS). I am aware that for an unencrypted backup, BiT uses hard links. Thus in nautilus, the folder size appears to be huge. The actual ...
1
vote
0answers
30 views

directory link count equals 1

after reading that every directory has at least 2 links (from its parent and from itself), I encountered directories with link count == 1 root@ubuntu:~# ll /var/lib/mysql total 28676 drwx------ 1 ...
1
vote
1answer
1k views

When would you want to use a Hard link instead of a soft link? An example to help Understand the difference

I have read lots of posts on What is the difference between soft and hard link but still am a bit vague on the difference. I wonder could somebody give just one or two example(s) of when you would ...
0
votes
2answers
682 views

Can you Link *Hard or Soft* to a directory and change the names of the files linked

So here's the scenario. I have a file torrent that gets updated and its so big its on a different disk, what I would like to do is create a link to where it would normally go if it wasn't so big and ...
0
votes
1answer
853 views

Does `update-alternatives --config` simply use `ln` to create hard links?

Does update-alternatives --config simply use ln to create hard links? For example, $ sudo update-alternatives --config javaws There are 3 choices for the alternative javaws (providing /usr/bin/javaws)...
0
votes
1answer
80 views

Are softlinks and hardlinks somewhat related to mutable and immutable objects (in java) in any sense?

While reading about linux,I got the following: Suppose that file1 already exists. A hard link, called file2, is created with the command: $ ln file1 file2 Note that two files now appear ...
0
votes
0answers
72 views

Why are the by-hash directories on ubuntu mirrors not hard linked?

I noticed that the files in the by-hash directories are not hardlinked to the actual files, as I would have expected. This means that any mirror downloads consume double the time and bandwidth for the ...
0
votes
1answer
63 views

Symlink breaks after usage

I have OpenERP 7 and I am trying to get the attachments to be saved on the local file system Configurations on OpenERP are done and are working, but it would only save the files to the installation ...
0
votes
1answer
477 views

rsync - target bigger then source?

I have a harddrive for backups @ /mnt/old/ am making a copy of a folder (/mnt/old/backup/) that occupies a large part of the partition it's located on. $ df -h /mnt/old/ Filesystem Size Used ...