A hard link is file system entry that associates a name with another file on a file system.

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FS permission scenario

How can I achieve this files & folders permissions scenario: Consider these folder: Folder A: 640 root apache /var/www/A/ Folder www: 640 root apache /var/www/ and this linux user: id user1: ...
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766 views

How to safely remove hard-link to home folder?

In a folder owned by my user /sites/Website there is a dir named ~. When I cd to this directory, I am redirected to ~/, my home folder. At first I thought this was a symbolic link, but doing ls ...
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203 views

rsync hardlink attempt copies

I've tried setting up a script to hardlink my files to my box.com account (as it's a backup of my music library). As I want to run it automatically to sync my music across several devices, I wanted to ...
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1k views

Backing up hard links (rsync)?

My question begins with: Do I actually have hard links on my disk at all (except for "." and ".." of course)? I'm not sure how I would find that out? If no, the question is already answered. If yes, ...
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38 views

Hard Linking Other Users' Files

Suppose User A and User B have disk quotas of 1 GB. Also suppose User B creates a 900 MB file with permission 0666. This allows User A to access that file temporarily (for some project, etc.). Notice ...
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Sharing a project tree between environments

To save space and time I copied a large project tree on a network drive as hard links, i.e. cp -a -r --link proj proj_B (background: it's huge, needs to be rebuilt from two incompatible ...
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61 views

is there some kind of symbolic links that support moving or renaming the target file?

I liked this explanation of hard and soft/symbolic links: http://unix.stackexchange.com/a/22406/42226 Now the reason why I googled about soft and hard links is simply because I was organizing my ...
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177 views

How to get a list all the “aliases” of a file (including of type directory) efficiently?

How can one get the list of all the aliases of a file (including of type directory) efficiently, given that a file: may have multiple hard links, multipe soft links, multi-level soft links may be ...
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Convert a hardlink into a symbolic link

It is easy to convert a symlink into a hardlink with ln -f (example) It would also be easy to convert a hardlink (filenames link and original) back to a symbolic link to link->original in the case ...
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54 views

Linux command to copy as hard links, while deleting unwanted files?

I'm looking for a command that behaves both like cp -al in only creating hard links rather than copying file contents, and rsync -a --delete in removing files from the destination that are not ...
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What means a number of links > 1 for directories? [duplicate]

Both programs stat and ls -l tell about the number of (hard) links to file(s). Going under the assumption that one usually cannot create hardlinks for directories in Linux it confuses me to see ...
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168 views

mlbackup / rsync / hard links data size

I am new to mlbackup/rsync and the concept of hard links, so I am a little confused after creating a backup data set via mlbackup. So here's the scenario: I am backing up "folder A" to "folder B". ...
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153 views

Incremental backup with hard links for multiple folders

Can anyone refer me to a simple backup script or program, that will backup in the following way: Incremental Rotation of X backups Backup to a mounted drive (no need for remote connections) Multiple ...
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174 views

How hardlink and softlink works in background?

I am looking for an explanation of the following: what happens in Linux when we create soft link and hardlink how are they accessible why do symlinks always display 777 permissions
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89 views

How to find out a file is hard link or symlink? [duplicate]

I have a file in ~/file.txt. I have created a hard link by : ln ~/file.txt ~/test/hardfile.txt and a symlink file : ln -s ~/file.txt ~/test/symfile.txt Now, How can I find out that which file ...
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41 views

“Links” to dirs that have features of both hard and soft links?

It is not allowed to create a hard link for a dir. But the soft like will not work, if I later change the name of the dir. How would you solve the dilemma? Are there applications which can ...
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3answers
210 views

thoroughly find all links (hard and symlinks, and any combination thereof) leading to a file/dir

I read "most" of the proposed questions, but I believe they all miss the complexity of the right answer. I want, only using "basic" commands (for maximum portability) (i.e., something that would work ...
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6k views

Invalid cross-device link while Hardlinking in the same file system

I have /home/myuser/Desktop/rc/.netrc file that i want hardlink to /root, ie home directory of root user. When i do: ln /home/user/Destkop/rc/.netrc /root it gives the following error: ln: ...
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Change file hard link count

On my Linux machine, I have the following file: drwxr-xr-x 2 jsgdr Unix_31 4096 Dec 2 17:46 jsgdr How to change the permission 2 to 4 so that I will this: drwxr-xr-x 4 jsgdr ...
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ls hard link question

I run ls -la on the Volumes directory. It shows the MM dir to have 9 hard links and the Media dir to have 12. If I then cd to the MM directory and run ls -la, it shows only 7 items whereas if I cd to ...
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348 views

Hard links versus symbolic links: which one is faster / smaller? [duplicate]

Hard links Given a file original.txt, a hard link hardlink.txt will point to the same inode and continue to exist even when original.txt is deleted. Symbolic links Given a file original.txt, a ...
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25 views

Directory symlink to inode, not path (e.g. directory hardlinks)

I'm trying to better understand why directory hardlinks are not possible. Roughly, I think of directories and files as follows: directory --------- inode # exposed as . inode_of_parent # ...
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Determine a file with the most Hard-Links

i got a homework today. Can u help me guys? "Determine on any PC pool that hosts regular file on the local file system root who has the most hard links! Avoid doing a search of the user home ...
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55 views

How to create a hardlink to a directory in Solaris?

I started to study the Solaris in my university. Teacher told me to do a hardlink to a directory. And he said that I can not to use mount command. For example: # mount -F lofs /dir1/dir2 ...
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91 views

How to increase the link count for a directory, link count went to 0?

I have made myself land in this situation, it is a chrooted workspace on my system where I virtualize the entire file system ( so its not actual /var/log ) Is there a way that I can either delete this ...
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108 views

Purpose of hard link and soft link [duplicate]

Possible Duplicate: What is the difference between symbolic and hard links? I've read quite a few articles regarding hard links and soft links, but I still dont understand the purpose of ...