A file system is the specification of how files in a computer should be stored, named and organized. This tag should be used for generic file system questions. For specific file system questions (FAT, NTFS, ext4, ...) use the appropriate tag instead.

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RPM command stuck/FREEZE when installing RPM file

I want to install the following rpm from some reason RPM is stuck or freeze and not install the RPM package also I cant stop it by control C , please advice what could be the problem ? root]# rpm ...
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WAFL - Write Anywhere File Layout

Hi I'm looking for some information on how WAFL works , more specifically I need help in understanding the following parts. To make your task of answering simpler I've outlined a few questions. ...
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What is and how to open a .xsig file extension?

I have received a .xsig document, that I can read in plain text. Is there any way of visualize the document with an application?
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1answer
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What's happening when you do 'cd //'? [duplicate]

This is just trivia really, but it's just got me wondering what's going on. I accidentally hit / instead of . today and got this: [andrew.morris@server ~]$ cd // [andrew.morris@server //]$ pwd / I ...
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Filesystem data replication like in torrent protocol

I'm searching solution that will allow me replicate files from master file system to slaves file systems on application layer. Replication will be done via WAN or LAN, when slave trying to ...
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OSX “._” prefixed file names

when i name a file with prefix "._" it just disappear, altrought, other "." beginning files are still visible what are "._" and how can i see them in finder? Note: i did enable to see files ...
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Prevent a file/folder being invisible

Is there a way to prevent a file or folder being set invisible ? I am working on an infected machine (which I cannot disinfect) that constantly makes the files and folders in my usb stick invisible. I ...
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23 views

Linux: locking root filesystem to read-only

I have an industrial computer (read: no keyboard/mouse/monitor except during maintenance) which will control some machinery. The operating system will be Linux (I would prefer OpenSuSE, but it's not a ...
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4answers
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Access data from a linux partition inside an image without root privileges

I have a whole-drive image file containing a partition table and some partitions. I would like to list and read files from an ext2/ext3 partition inside this file. Using root priveleges, it is ...
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20 views

Are 2 files of the same type with the same number of discrete properties the same size?

Suppose you have 2 uncompressed .RAW image files, each exactly 4096*4096 pixels in size, but one is purely 1 single color (say, #FF0000) and the other contains a segment from the Mona Lisa. The ...
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Can't read secondary drive; suspect file system damage; how to repair?

I have 2 hard drives in my PC. Drive D: is unreadable. I believe that the File System is damaged (NTFS). I tried a number of softwares but all of them recover file according to their types. I need the ...
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2answers
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Linux: Should I resist temptation to delete files in /tmp?

I sometimes look at the /tmp directory with all those files taking up disk space, and think "maybe I should go in there and do something about it." On the other hand, in my 10+ years of Linux use, I ...
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Do files occupy a different amount of space in NTFS and LUKS + ext4?

I have two volumes, one NTFS (15028048 14213120 51544), that corresponds to (1-K blocks, used, available), and the other is a LUKS + ext4 (14895184 13869752 245752). I checked the files inside ...
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1answer
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Ubuntu 12.04.5 LTS stuck at bootscreen on Virtual Box 4.3.10

I had a running Ubuntu 12.04 VM on a Windows 7 host with Virtual Box 4.3.10 - until yesterday. Somehow, my host OS crashed and with it the still running VB. Now, when I try to start the VM again, it ...
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Show read-only files from SSD card on Mac OS X

I have photos on SSD card and I'm unable to view read-only files after copying the files to my computer. The photographer has used that read-only indicator to mark the taken photos to edit. Using: ...
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1answer
85 views

Unable to Create Files In Directory

There are lot of these kinds of questions on superuser, so I'll try and keep this quick by telling you what it's not: There is no application involved here. Just a user and a filesystem. I can login ...
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1answer
21 views

Which file attributes are stored in the directory entries and which in the inodes?

I want to do some deduplication of old files, replacing duplicates with hardlinks. To minimize loss of metadata, I want to set the directory entry attributes of each new hardlink to the attributes of ...
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1answer
19 views

How do i find where my apache2 is installed in my centos server?

What methods can I use to find where my apache2 is installed on my centos server? btw, i have cpanel installed. I want to edit my sites-available entries and point one of my domains to another ...
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1answer
19 views

CrashPlan don't cross filesystem boundaries

I have replaced my backuppc to CrashPlan Family. CrashPlan is very feature-full, but I can not force backup to do not cross filesystem boundaries, like rsync -x. It would be a killing feature, because ...
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23 views

External hard drive not showing files in it on Windows 8.1 after a while

I am having a weird problem. The issue is that after some time my hard drive data automatically gets disappear. Even if i unplug the USB cable of external hard drive windows still showing it connected ...
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How to remove directory with invalid name on running system root partition without third party software? [duplicate]

Somehow, most probably from one or another usb-born Linux, I got cute little directory named C: located on my C: NTFS partition, due to its peculiar name I can not operate on its directory tree as ...
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1answer
80 views

ext4 fs not recommended for SSD's? Alternative FS

I read ext4 journalling fs is not good enough for SSD's by some anonymous posts. while phornoix review shows JFS, not a known FS for average Desktop user is considered best for SSD. I believe JFS is ...
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95 views

chown - operation not permitted as root

I'm using ISPConfig + Apache2 on a Debian server. I created a user which is going to be used for a certain client folder in /var/www/clients. Whenever I run the command chown -R user123 client2 as ...
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Recover bad superblock after using Testdisk EXT4

I Have a problem with my NAS Hard disk. I tried to make a raid-1 array but now my drive is corrupted. After that I made a mistake with "testdisk" and I selected ext4 instead of ext3. Now it's ...
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1answer
27 views

How can I set windows 7 in order to automatically save images with same name as image_name(1),..,image_name(n)?

I have a series of different pictures from my site that have the same picture name. When I right click on these pictures then chose "save image as" I receive a message saying that there is already a ...
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NTFS Permissions make it near-impossible to achieve a given task

Here's the problem . User is called "Darth". I (the Administrator) would like Darth to do whatever he wants inside a folder called "dataset". He can create/modify/delete any folder/file. He will not ...
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34 views

Replace “This PC” with actual - full - filesystem path

When accessing my libraries via This PC, the This PC keeps staying in the address bar. This is very inconvenient to me. I need to know where I am. I realize it is under C:\Users\Name\, but I need the ...
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1answer
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why isnt the inode id of dotdot didnt have the updated inode id?

I have a function that backtracks from the child directory to the root by getting the inode id of the parent from the ".." dentry of the child. The main purpose of this backtracking is to identify the ...
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1answer
26 views

File URI scheme won't open folder

URI links to folders (in file://blahblahblah format) simply aren't working for us in some cases. Users with Windows, using Active Directory. URIs opened from the following don't work: Firefox ...
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37 views

USB 3 hard drive not mountable on Linux

I am trying to mount an external hard drive with ext2 filesystem. "dmesg" tells me: > dmesg | grep sdb [ 3.436513] sd 6:0:0:0: [sdb] 1953525168 512-byte logical blocks: (1.00 TB/931 GiB) [ ...
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1answer
23 views

Are file systems like SFS and UFS still used today?

I have read the Wikipedia pages for both these file systems: SFS (Smart File System) UFS (Unix File System) but I couldn't find a real answer. For example, for SFS the common Operating Systems ...
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How do I restore a missing file /private/ect/hosts

I deleted an application from my mac,and went to the library to delete anything there with adobe on it.! Now when I have tried to find my/private/ect/hosts folder from my finder, it says that it ...
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Change Journal in NTFS

I'd like to know what these commands are exactly returning as output. fsutil queries http://technet.microsoft.com/en-us/library/cc788042.aspx In particular , If I were to run fsutil usn readdata ...
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What is the cause of multiple Security ID replacements?

I ran a check disk as requested by a users machine and literally thousands of messages appeared towards the end stating "Replacing Invalid Security ID with Default ID for File 20****" and so on. ...
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Increase timeout on shared file access on Windows

I have windows 2008 R2 running in many VM, some applications sometimes have problems accessing shared resources on a NAS (windows 2008 share). The file are available and accessible (not locked, not ...
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2answers
40 views

Don't have permission for .ssh folder and the keys inside, despite being owned by me

On my Mac, I can't use git (and consequently Heroku) because of incorrect file permissions. The root user can access them fine, but my user cannot, despite me owning it and it being in my home ...
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1answer
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Can a file be created from an inode?

There is an apache process which logs to an access and error log. The two log files have been deleted, but the apache process has not been restarted or reloaded so it still has open filehandles for ...
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1answer
49 views

How do I take full control of read only status for any file or folder on a Windows 8 machine

I've just got a windows 8 machine and it seems to suffer from the same permissions bug as windows 7 whereby a folder is set to read only, seemingly arbitrarily, and it's impossible to unset. I've ...
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1answer
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Using a memory stick containing multiple Ext2 filesystems in Windows?

I have a memory stick which I have formatted to contain two ext2 partitions on my Ubuntu computer, one 2 GB and one 6 GB. I would like to use them on my Windows 7 computer now. I am aware of Ext2Fsd ...
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Resize filesystem not managed by LVM

I have a 10GB lun from my SAN that I can create a filesystem on: mkfs -V jfs2 -o log=INLINE /dev/hdisk3 The size of the lun has been increased to 20GB. Is there any way to resize this filesystem? ...
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Check filesystem only in area where seemingly corrupted file is

I get errors reading a large file, as in # md5sum file md5sum: file: Input/output error Looking at the output of strace I see that the read() system call returns EIO, and in the corresponding ...
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3answers
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Accessing files across a network using the SYSTEM account

I'm not sure if I am asking this in the right spot or not, sorry if I am wrong. I would like to know please, SCCM is currently operational in our school, and we use it to install software across our ...
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1answer
39 views

Modifying names of files BEFORE wget downloads them (not renaming local versions)

I have a website filesystem wherein each file has two copies, a summary copy and a large copy, with different names. For example, a large copy file might be pages/info/GK2grkG23r_lg.html while in the ...
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1answer
37 views

Where should I put these files? [closed]

I just downloaded "processing" for my linux box (ubuntu 14.04), however It was a tarball, but I couldn't run configure on it. The installation instructions, found here just say to extract the files ...
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51 views

Circumvent limitations of CIFS/Samba

My situation: I have a NAS which serves shares via CIFS/Samba. Internally, it uses an ext3 filesystem, but this is not relevant (I think). I have some Linux computers (using ext4 filesystems) which I ...
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1answer
41 views

Why is the dot/period character used as file extension separator?

Why dot and not any other character? What's the historical reason behind it?
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1answer
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When will Fragmentation appear such that a Fragment is at an lower address as the Basefragment?

By Basefragment I mean the first fragment of a file -- containing the header etc. Lets say I have a file which is fragmented into 3 fragments (1, 2, 3). 1 has the lowest address. I think most file ...
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1answer
85 views

Why does file system get error repeatedly even if I fsck it over and over again (on linux)?

My system is Gentoo Linux (kernel is 3.16.0), my file system is reiserfs. A couple days ago, I unpacked a big tarball which is more than 100MB, and is about 1.3GB and 10,000 files after unpack , then ...
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How to Extract Images from a Single File

I had an old CD (full of Jpeg pics only) which was unreadable, I made an ISO file of it and extracted the ISO file with IsoBuster. The result was a single Jpeg file with 100 MB size. I know that means ...
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4answers
301 views

Why does the root directory '/' have a reference to its “parent”?

I'm currently developing a fake filesystem for a browsergame. I recently implemented ".." and "." folders so every folder has a reference to its parent. Then I checked in my terminal if "/" also has ...