A hard link is file system entry that associates a name with another file on a file system.
A hard link is file system entry that associates a name with another file on a file system.
Questions tagged [hard-link]
255 questions
19
votes
7 answers
Breaking a hard-link in-place?
I am keeping my dotfiles under version control and the script deploying them creates hard links. I also use etckeeper to put my /etc under version control. Recently I have gotten warnings like this:
warning: hard-linked files could cause problems…
0xC0000022L
- 16,593
11
votes
1 answer
Editing a file with several hard links
Let's say I have two hard links pointing at the same picture.
/photography/picture_1.jpg
/best_pictures/picture_1.jpg
What happens if I edit /photography/picture_1.jpg? Is the hard link broken and did I end up with 2 different files? Does it keep…
mxdsp
- 233
- 2
- 6
9
votes
4 answers
Properly unlinking hard links
I have a script that goes like this
ln /myfile /dev/${uniquename}/myfile
I want to remove the link of /dev/somename/myfile to decrease the link count.
How do I do this?
e_mam106
- 217
5
votes
5 answers
Why are hard links are not updated when modified with an editor
I am using Mac OS X, but the command line. I want to make a link from my .profile file, to another file on my system so that updating one updates the other and vice versa.
This article makes me think that a hard link is what I need. The command I…
Startec
- 1,879
3
votes
1 answer
How can I convert a hard link to a normal file?
I realise that every file is a hard link. This is what I mean precisely: if an inode has more than one file pointing to it, how can I copy the inode so that every file is pointing to a separate inode with the same content?
For example:
echo…
Flimm
- 4,218
2
votes
1 answer
"No such file or directory" after executing a link
I downloaded Tor Browser and I want to add a shortcut to it to the desktop.
So I wrote:
ln /home/myusername/Documents/tor-browser_en-US/start-tor-browser.desktop /home/myusername/Desktop/start-tor-browser.desktop
But when I do…
user1
- 233
1
vote
1 answer
Why does looking for hardlinks fail?
Here is how I find hard links located in /tmp:
$ for file in /tmp/*; do if [ "$(stat -c %h -- "$file")" -gt 1 ]; then ls "$file" -l ; fi; done
total 0
srwxrwxr-x 1 t t 0 Mar 20 23:01 debconf.socket
total 0
srwxrwxr-x 1 t t 0 Mar 20 22:58…
Tim
- 101,790
1
vote
1 answer
What operations raise link count
I had an interview, where the interviewer asked what operations raise the link count of a file, besides ln and its underlying syscall, I didn't know. He stated that opening a file will increase the link count by one to prevent deletion of an opened…
Gregg
- 13
1
vote
1 answer
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 directories or other NFS mounted directories. Type a file…
Marko
- 11
0
votes
2 answers
Creating hard links
$ ln fun fun-hard
$ ln fun dir1/fun-hard
$ ln fun dir2/fun-hard
$ ls -1
total 16
drwxrwxr-x 2 me 4096 2018-01-14 16:17 dir1
drwxrwxr-x 2 me 4096 2018-01-14 16:17 dir2
-rw-r—-r—- 4 me 1650 2018-01-10 16:33 fun
-rw-r—-r—- 4 me 1650 2018-01-10 16:33…
user599592
- 21
0
votes
2 answers
Creating a hard link increases the hard link count for two names
gui@Latitude:~$ cd playground
gui@Latitude:~/playground$ ls -l
total 8
drwxrwxr-x 2 gut gut 4096 set 20 16:18 dir1
-rw-r--r-- 1 gut gut 2903 set 20 14:46 gato
gui@Latitude:~/playground $ ln gato gato-rato
gui@Latitude:~/playground $ ls -l
total…
0
votes
1 answer
Hard links on a mounted disk
I have a work laptop that I will soon have to return to my employer. Having foreseen this, I ordered a second internal disk and mounted it at /home/ so that I can just pull it out and mount it in the next machine without having to go through…
Bob
- 3
0
votes
1 answer
getting "Invalid cross-device link" doing a cp -l - same volume
This command - run as Admin (not Root) in directory
/volume2/Media/AllOurMedia/1 Our Pictures/Cataloged ( 3-5):
cp -l HL_Test.JPG /volume2/phototest/
got this response:
cp: cannot create hard link '/volume2/phototest/HL_Test.JPG' to 'HL_Test.JPG':…
Bones
- 1
0
votes
2 answers
Why are there lots of hard links in /usr
I've read this link, now I simply want to know why there are lots of hard link in /usr.
For example, in my Ubuntu server, installed git, I found the command git here: /usr/bin/git. I execute ls -l /usr/bin/git and get the output as below:
-rwxr-xr-x…
Yves
- 3,291
-1
votes
1 answer
copying a file to a new directory, does this just create a new hardlink?
I am attempting to grasp hardlinks. When one copys a file from
/dir1/file1
to
/dir2/file1
does this create a hardlink, or is the data actually duplicated and now two hardlinks exist?
Oscalation
- 1,139