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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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
22 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
34 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
17 views

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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1answer
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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
23 views

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
30 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
35 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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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
36 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
14 views

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
69 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
282 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 ...
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1answer
46 views

Choose native linux filesystem for usb stick [closed]

I happy to have only linux hosts in my surroundings. So I may choose other filesystems than vfat for usb sticks. I'd like to use something that is more native to linux. I tried ext4 but get ...
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1answer
46 views

Convert Drive to NTFS from FAT32

I'm having strange problems converting my HDD from FAT32 to a NTFS file storage. I first ran chkdsk N: /f and came up no problems so I ran convert N: /fs:ntfs but it tells me there is a problem. ...
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1answer
52 views

Hard drive failed, suspected filesystem corruption, still cannot salvage any data from harddrive

Firstly, I am terribly sorry if this is a duplicate, but I couldn't find a similar issue to mine, so here goes. I have a 1TB hdd bought around 8 months ago used as backup hard drive. I have not used ...
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0answers
34 views

Virtual filesystem on linux to translate contents (fuse?)

Is there some existing software to use a virtual filesystem to translate file contents? (read-only or read-write). It would be interesting to be able to generate a view on a code-base, for example. ...
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38 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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2answers
36 views

Files listed by bash but unaccessible

What would cause the following behavior on an Ubuntu 12.04 system? I've SSHed into a machine as the "ubuntu" user. Running ls -lah /data/* shows dozens of non-empty files (e.g. file1.txt, file2.txt, ...
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How to map a symbolic directory link to different directories based on user id

Is there any way to a map a symbolic link directory to different directories based on the user id in Linux. For instance if a user X executes cd /var/www/html/ then his/her directory gets changed to ...
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1answer
16 views

Cross Platform Encrypted File Server / NAS?

I have a desktop computer running Windows and two Mac laptops. The desktop computer has two internal hard drives, both NTFS and both encrypted with TrueCrypt (yes, I know TrueCrypt is supposedly not ...
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2answers
52 views

Windows 7 make C drive read-only

Is it possible to run Windows 7 from a read-only hard disk? I know that you can move the users folder to another drive, so you could in theory run Windows 7 in Read-Only mode, which would make it much ...
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1answer
49 views

How to snapshot a btrfs root file system (snapshot of /)?

I have Fedora 20 and when I installed it I choose to go with btrfs as file system, by many reasons but mainly to have snapshots available. But I can't seem to create a snapshot of /. I can snapshot ...
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1answer
28 views

Empty Ext4 Filesystem Using Too Much Space

I have 3 primary partitions on my main drive (2 are primary, 1 is extended and has 3 logical partitions in it). The drive has a legacy BIOS/MBR partition table. The first 2 primaries have OSes in them ...
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29 views

Windows 8.0 unable to display FAT32 external hard disk in “Computer”

My Windows 8.0 is unable to display my external hard disk which has important files and works well on Mac. I know Windows uses the NTFS file system which is "more secure". I need to format it as ...
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Which filesystem to choose in sparse files?

I have the problem, that I want to save backups to a NAS. Unfortunately the NAS is only avalable as CIFS network share (plus root SSH access). I do not want to modify anything in the configuration ...
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1answer
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How many actual files were you able to store in a CentOS folder?

I found many questions about the total files limitations of the CentOS file-system, but I was curios in actual real-world situation, how many files people were able to store in one single CentOS ...
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Why formatted flash memory has used space

I format my flash memory and select its file system format as FAT32 : And then take a look at the flash memory drive properties : As you see above, there is a 16KB used space. I change ...
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Why does process read Offset/Length from C: drive?

Below is a clip of SysInternals Filemon in action. What I don't understand is why various processes are reading the C: drive at an offset, rather than reading specific files. I have noticed ...
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1answer
112 views

Folder can't be moved here when trying to relocate Appdata\user\Local

I am trying to relocate my AppData folders to free up space on my laptop's SSD drive to my much larger 1TB secondary drive. I'm using the Location tab on the C:/Users/mark/AppData/Local to make the ...
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6answers
4k views

Doesn't metadata occupy any size?

I put 4096 characters in a text file and save it.Since every character is 1 byte, Size of the text file must be 4K byte.As you see below that's OK: I connect my flash memory to my computer. the ...
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0answers
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Rsync doesn't allow me copy files into mounted filesystems

I configured rsyncd.conf for public access in my rpi: log file = /var/log/rsyncd.log timeout = 600 max connections = 20 uid = nobody gid = nogroup read only = yes list = yes [public] path = ...
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2answers
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Failed to mount Lock Directory and User Runtime Directory

I have a Raspberry Pi with Raspbian (debian). I tried this and my system upgraded with no error. When I reboot, a surprise, my system does not turn on. I tried to search on the internet but nothing. ...
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45 views

Can I stop a format disc operation midway?

I'm formating a new HDD (Toshiba 1TB from NTFS to FAT32) to fit it on my old PS3. But it's taking a lifetime to get the thing done... Meanwhile I found on the internet some tutorials using other ways ...
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1answer
47 views

How to shrink an ext4 partition from Windows?

My system has three primary partitions: two NTFS (one "system-reserved") for Windows 7 and one ext4 for Linux. How can I shrink the ext4 partition from Windows? I've tried the built-in Disk ...
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1answer
90 views

USB Drive Format for Reading/Writing 4GB+ Files on OSX and Windows

I am trying to settle on a drive file format which is compatible with OSX and Windows for reading/writing 4GB+ files. Linux support would be a bonus. Using FAT is a no go since it does not support ...
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1answer
63 views

Is there a way to run an HTML file with default browser and a parameter?

I have an HMTL file that I would like to be opened with the user's default browser, followed by a parameter. For example, if your default browser was Google Chrome, it would open as: ...
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4answers
3k views

File sizes in Windows not making sense

Here I have this file in Windows: But isn't 62,563 bytes 62.6 KB?
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1answer
29 views

Formatting filesystem in partitioned loop file corrupts partition table

I created an approximately 3 gig file named test and partitioned it with fdisk. I then setup a loop device with that file (and an offset) in order to format an ext4 filesystem in the second partition. ...
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2answers
49 views

folder and associated files are “missing” but their size still exists

I turned on my external SSD hard drive today (64GB) to find that an entire folder was missing. It contained about 23GB of info, and none of it shows up in windows explorer. Programs trying to access ...
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File system tracker

As everybody I have gigabytes of critical files storing on my NAS which is syncing with online storage. But sync conflicts or just hard drive errors can break my solid storage system. I'd like to ...
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2answers
104 views

Mounting a unionfs hides ALL lower-layer files

I have partitions in /dev/mmcblk0p5 and /dev/mmcblk0p7. I would like to union them together such that p5 is read-only and p7 holds the changes. I'm mounting p5 on /ro-root and p7 on /root-overlay. / ...
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CentOS 6.5 blank screen after an update

I just updated my CentOS 6.5 with the following command: sudo yum update after the update it asked for a restart and I did it but than now when the loading bar finishes loading I have a totally ...
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1answer
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Symlink two real directories with files in both

I have two directories, with files in both of them: ./read/pub/ |- file1 and ./write/pub/ |- dir1/ |- file2 |- file3 I need to create a symlink so that all the ...