A hard link is a directory entry that associates a name with a file or directory on the file-system, in effect creating an alias that may reside elsewhere on the file-system.

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Why does locking a file prevent renaming hardlinks to it?

Suppose I have a file X.foo on a Windows machine (living on an NTFS filesystem, in case it matters). Then, I create a hardlink to it and call it Y.foo. My understanding is that once I've done this, ...
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14 views

Windows using SMB shared from Linux + moving a hard link: what happens?

I have a linux file server which may have this example directory structure: /path/to/directoryA/file1.dat /path/to/some/common/place/data/file1.dat These files are hard-links of each other (i.e. ...
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42 views

Mount drive as NTFS folder vs junction link

Is mounting an drive as NTFS folder same kind of link as doing a directory junction with mklink /j linkname targetpath? The reason im asking this is because we are having problems with NTFS mounted ...
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1answer
101 views

How to replace all duplicate files with hard links?

I have two folders containing various files. Some of the files from the first folder have an exact copy in the second folder. I would like to replace those with a hard link. How can I do that?
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1answer
62 views

Editing the hardlink doesn't edit the original file

I have a file at D:\JavaScript\CheckIban.js, and I want to reuse it in many places without duplicating it. Because when I fix a bug (change its content) I need that change to be propagated to all ...
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2answers
39 views

Transparently split file | Hardlink to file part

I have really big file (TrueCrypt container) and I want to save it in some cloud, but it has constraint on file size, limiting to 2 Gb, also it has some tool to sync directory. The idea is to create ...
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1answer
162 views

“cannot create hard link X to Y: Operation not permitted” on ext2 drive from cygwin cp -al

/cygdrive/d/ is a USB hard disk formatted as ext2 and mounted with ext2fsd. When I try cp -al /cygdrive/d/X /cygdrive/d/Y where X is a file, I get the error in the title. Things I've Tried/Verified ...
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1answer
32 views

How to merge directories of hardlinks potentially pointing to the same files?

I've used a file deduplicator on a large folder with hundreds of thousands of files. The deduplicator created hardlinks for all duplicate files that it detected. If I was to attempt to merge some ...
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2answers
69 views

What happens in linux when you copy a hardlink on top of another hardlink to the same file?

I've used a file deduplicator on a large folder with hundreds of thousands of files. The deduplicator created hardlinks for all duplicate files that it detected. If I was to attempt to merge some ...
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1answer
48 views

Redirect opening requests about a file in a given directory to another file in another directory

I have a simple scenario, but i don't now is there a way in Windows to do it or not: We have 2 directory with these files: Book: D:\sources\Books |___ A.pdf |___ ...
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1answer
40 views

How to check that all files in a file system are can be read without errors?

I'm using an external hard drive with an ext4 file system to make backups. The backup software I use (faubackup) copies the file hierarchy 1:1 into a timestamp-named folder on the hard drive, and ...
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1answer
73 views

Does Time Machine preserve hard links yet?

I have been doing my own backups using rsync to a remote computer. However, due to the recommendation to have a full computer backup before upgrading to OS X 10.10 Yosemite, I am trying to undertake ...
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56 views

Find real size of Windows/winsxs folder in Cygwin

I'm running Cygwin with the default installation. I'm a complete noobie to Linux & Cygwin. I just figured out how to find all hardlinked files in my c:\windows\winsxs folder. (Navigate to ...
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27 views

Moving hard linked files to another HDD (Windows 7)

Is there a way to move hard linked files from one hard drive to another while preserving hard links? If i try to just move 2 hard linked files I get a copy of original file instead of a hard link, is ...
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1answer
30 views

How do I list the files in a directory that are hardlinks in windows

I'm trying to work with backups and new versions of backups and I want to check if files listed in a directory are already hardlink alias to some file or if they are the last link to that content. ...
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1answer
33 views

Linking multiple folders into a single folder so that relative paths work. (Fedora)

I have a SVN repo that has a structure that does not line up with the needed relative build paths. The SVN repo directory looks kinda like this root alpha trunk p1 p2 p3 tag branch bravo ...
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104 views

All of the NTFS hard links damaged, where are those 0kb hardlinks stored and how to recover them?

This is Windows 7 x64 sp1 on a NTFS file system. All hardlinks within C:\Windows\System32 folder disappear, and the Windows can't boot, because even the osloader, C:\Windows\System32\boot\Winload.exe ...
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1answer
42 views

replace hard links with copies

I have a file which has other hard links. I want to let it become independent. I know it can be done like this: mv myfile temp cp -a temp myfile Is there any single command which does not require ...
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1answer
41 views

Is there a way to catch all invokations of hardlink creation and replace them with symbolic links?

Assume I have a program or build script (consider it a blackbox) which is creating hardlinks and run on Linux (Debian 7.4). If I want to experiment and find out whether the program would work with ...
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2answers
109 views

Can mklink make portable links?

Is there any way to create portable links in NTFS using mklink? Or it there a better solution? I want to be able to distribute an application in a zip file or folder copy where there is one "real" ...
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1answer
3k views

How to create a hard link in Windows using mklink command?

I've no problem in creating junctions and symbolic links through mklink, but can't create hard link using this command. It returns "Access denied", have tried on both Windows 7 and 8.1 on different ...
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1answer
150 views

Is there a difference between the original file and a hard link to it?

I'd like to synchronise some configuration files via a file hoster like Dropbox. I could create a hard link in the software's configuration folder and let it point to my cloud storage directory. When ...
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1answer
38 views

Inheritance system for folders (symlinks?)

Okay, here's the scenario. I have a base folder "Base" that has a blank, multipurpose template. However, this template is 12 gigabytes. I want to be able to have an inheritance system where linked ...
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1answer
40 views

Replace NTFS hardlinks with files

I deduplicated backup files on an NTFS partition. I would like to know if there is a way to reduplicate the files so that they can be edited individually. Currently /dir1/file1 /dir2/file1 -- hard ...
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2answers
175 views

Safe to delete a folder named “~” [duplicate]

I program I was using to out put some files apparently did not understand the short cut "~" (directory) very well and has done some trickery that has me confused. Rather than put the files where I ...
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76 views

How is it that symbolic links can be used across different filesystems, and hard links cannot?

How is it that symbolic links can be used to link across different filesystems? And why is that hard links cannot be used across different filesystems?
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1answer
63 views

How can I archive directories containing hardlinks?

I am supporting a legacy Windows 2000 system that contains a number of hardlinks on a shared ntfs drive. We have run out of space on the shared drive and want to know the best way to archive some of ...
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3answers
147 views

Could hardlinks be used for backup deduplication purposes?

I know about full backups, incremental backups and decremental backups. However, I wondered why nobody (Windows Backup, TrueImage, Paragon) seems to have implemented the following backup algorithm. ...
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1answer
222 views

Changing specific shared library of linux executable

I'm building an android application on a GNU/Linux based server and aapt is complaining that lib/libz.so.1 is out of date: /lib/libz.so.1: no version information available (required by .../aapt) ...
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3answers
5k views

How to delete Windows NTFS hard link (mklink /h) while original is in use?

On a Windows NTFS file system, I have a file (say, orig.mp3). I open this file, through this path orig.mp3, in such a way that it is in use (say, by playing it in VLC). Then I create a hard link ...
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1answer
173 views

copying a file to a hard link

I recently got bit by a misbehaving in a bash script of mine and was wondering: is this the expected system behavior, or is it a bug what are the ideal workarounds Essentially, the problem boiled ...
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1answer
101 views

Why the link between .. and the parent dir is hardlink?

I just noticed that the link between .. and the parent dir is hardlink, they have the same inode number: starpinker@host /home/starpinker/unix $ ls -ail 8200794 drwxrwxr-x 2 starpinker starpinker ...
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2answers
199 views

How to copy folders on same NTFS drive using hardlinks?

Is there a way to create hardlinks to create a duplicate of a folder on the SAME drive (NTFS formatted)? I am looking to do something like this: XCOPY E:\TEMP\SAMPLE1* E:\TEMP\SAMPLE2\ /s but INSTEAD ...
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1answer
2k views

On Windows 7 how do you check to see if a file is a hardlink? [duplicate]

I just created a hardlink in Windows 7 using mklink. When I use dir the output doesn't indicate that the new hardlink is a hardlink. Instead it looks exactly like the file it is pointing to. Example ...
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2answers
2k views

Copy Files from One Drive to Another and Keep Hard-Link in Windows

I have drive A: with 16G Space and plenty of files, due to the Hard-link feature in NTFS, the files together is 15G but only takes 2G of real space. I like to copy all those files to drive B: which ...
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3answers
903 views

How to separately count number of files, directories, symbolic links and hard links within a single find run?

To check a successfull migration I'm using find to count the number of files, directories, symbolic links and files with more than one hard link. As the directories to check contain a huge number of ...
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1answer
394 views

How do I create a hardlink in guest user in virtualbox

Apparently, VirtualBox does allow to create hard and soft links inside guest os on shared folders . Now the thing is I need to install a package that is creating hard links Hardlink("lib/abc", ...
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1answer
1k views

Using hard links to move Windows Users folder

I'm currently trying to move bulky folders from my SSD to my HDD (my Users folder and ProgramData folder). I'm following a short guide on using Directory Junctions to do this effectively. However, ...
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1answer
538 views

Why don't hard link destinations on Windows Server 2003 immediately show the proper file size and last modified time?

I wanted to create hardlinks to files on Windows Server 2003 and I stumbled upon the superuser question hardlinks on ntfs with windows. I tried mklink as one of the answers suggested and found that ...
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1answer
104 views

Dropbox won't detect edited files using Remote GIT bare repository folder and ssh

Here's the situation... I develop under windows8 and I have some projects, every project, with a specific local git repository For each local repository I have a remote bare repository on my VPS (I ...
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3answers
83 views

directory in /proc/sys/net/ipv4/config have no hard links?

Why the directories inside /proc/sys/net/ipv4/config have no hard links? ls -l /proc/sys/net/ipv4/conf total 0 dr-xr-xr-x 0 root root 0 Dec 31 08:27 all dr-xr-xr-x 0 root root 0 Dec 31 08:27 default ...
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2answers
1k views

How do I delete a hard link to an executable I don't own?

I used the following command to create a hard link to an executable: ln `which xcrun` gcc The link worked as expected. However, it seems I don't have the permissions to remove it. $ rm gcc ...
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0answers
54 views

How many hardlinks in a drive?

I made a backup of one of my external drives to another. They are both NTFS filesystems. I moved ALL disk contents into a folder called a and right clicked to get file/folder/size count. They are ...
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1answer
198 views

Synchronize folder on network, preserving hard links

I have few computers using Windows XP Pro. I want to synchronize/back a folder from one machine, to another one. This far, It's a simple problem, and I've used FreeFileSync for such operations, with ...
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294 views

fsutil can't create more than 4 hard links to a file in win srv 2003?

I got an error message when I created 5th hard link to a file using fsutil: Error: An attempt was made to create more links on a file than the file system supports. I was quite surprised ...
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1answer
3k views

Create a hardlink from the network

I'm trying to create an NTFS hardlink over a network drive: I'm using Windows an XP SP3 workstation mapped drive F: over a Windows 7 Server with net use f: \\server\shared_folder then I try ...
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2answers
4k views

How can I find all hardlinked files on a filesystem?

I need to find all hardlinked files on a given filesystem. E.g. get a list of files, each line contains linked pairs, or triplets, etc. I understand more or less how to do it, one needs to create a ...
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0answers
188 views

Which filesystems support hard links (rsync) to backup a Mac?

I want to make a rsync-style hard-link backup from Mac on an external hard drive, but I cannot decide for a file system. It should be (preferably natively) readable from other operating systems. ...
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2answers
591 views

Make hard links as I copy a directory

I would like to create a bat file to copy a directory, with everything in it (sub-directories, including hidden directories) - by making hard links. I tested xcopy %source% %destination% /E /C /R /I ...
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235 views

shortcut to recursively copying a directory preserving modes, ownerships and hard and symbolic links

I am using the following to recursively copy a directory while preserving modes, permissions as well as hard and symbolic links: cp -pr --preserve=links dir-a dir-b However I have the following ...