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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Filesystem compatible with GNU/Linux and Mac

Which filesystem is compatible with GNU/Linux and Mac OS? I want to be able to read/write from both GNU/Linux and Mac OS. For example I want to copy a file to my external hard-drive from GNU/Linux and ...
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Does NTFS (or any file system) support files outside of the partition?

So on my C: drive, there was a file called BOOTSECT.BAK. Not knowing what it is, I opened it up in HxD and the first 14 bytes were B \0 O \0 O \0 T \0 M \0 G \0 R \0 corresponding to the UTF-16LE ...
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1answer
571 views

Best filesystem for running linux off flash drives [closed]

Most other questions here close to this topic are either for SSDs, or ReadOnly usb live images. I'd like opinions on Read-Write usb images. I pretty much installed Fedora18 on a 16GB USB3 pen drive ...
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how to find the unpartitoned space in linux?

I need to test partitioning but it risky because it might delete or overwrite an existing prtition or delete existing data. how can i check the unpartitioned space. these are the details from ...
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How can I tell whether an interrupted rm -r removed any files?

I installed sshfs a Linux box and then mounted my Mac home directory. In the middle of troubleshooting a configuration issue, I did an ls -l on the mount directory (as normal user), receiving: total ...
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1answer
250 views

gparted crashed during a resize; what are my options?

I was in the process of resizing an NTFS partition on my 2TB data drive (increasing its size, moving it all the way to the beginning of the disk) when gparted unexpectedly terminated at perhaps 66% ...
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1answer
1k views

cat /proc/meminfo what do all those numbers mean

In reading the man page on the free command in Linux. I found that is gets its info from /proc/meminfo. I understand a few of the entries, like MemTotal and MemFree. What do the rest mean. cat ...
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366 views

Why is that when i format my pen drive with fat 32 file system, i get more space to work with? [duplicate]

Possible Duplicate: Why is the effective hard drive size lower than the actual size? I have a 16 gb pen drive. when i formatted it with fat32..i got 14.8 gb to work with...while using ntfs ...
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2answers
90 views

Found in common SSD advice, but how does 2,048 equates to 1MB?

I'm trying to set up a Linux partition on my laptop and I've run into the same phrase all over the internet. It's on one of the superuser answers... In the question Which linux filesystem works best ...
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186 views

hung processes kills the system in OS X 10.7 Lion

UPDATE Dec 27 2012 OK, today after a week or so of mostly trouble free operation and several successful attempts to watch mounted DVD file shared via my other machine and no other problems playing ...
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1answer
308 views

How are directory structures stored in UNIX filesystem?

I have read that each directories store their content (files and subdirectories) by using a list of filename and inode pairs. But none of the reference I got said something about how they are stored. ...
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1answer
63 views

the effect of large number of files on disk space in unix filesystems

If I have a text file in Unix that contains N-many independent entries (e.g. records about employees, where each employee has a separate record), is it expected that this file will take up less space ...
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4answers
67 views

Is there a program that will show a tree of the differences in two file trees?

In windows I manually back up from time to time by formatting my external drive and copying the contents of my data partition over. Inevitably there is a difference in the number and size of the files ...
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1answer
1k views

Repairing a corrupt exFat file system

Long story short : I messed up my GPT and went on to try to fix it without asking anyone, just searching around. Didn't turn out too well. Right now all I'm concerned about is a 500GB that I ...
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1answer
237 views

How can I simulate a FAT12 filesystem with uppercase 8.3 filenames?

I have a web application which is to be hosted on an embedded controller. This controller (not mine) has a FAT12-like 8.3 UPPERCASE filenames filesystem. My buildsystem runs un Linux, and can use ...
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1answer
68 views

Automatically remove encryption when copying to removable device [duplicate]

Possible Duplicate: How to remove Encrypted flag when copying a file from a HDD to a USB drive? Windows OS (8 64-bit). This question has already popped up in How to remove Encrypted flag ...
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1answer
141 views

I/O errors on pendrive - what may cause them? (maybe a bad sector)

When I use a pendrive with Ubuntu, it sometimes disconnects. I looked in syslog and I found I/O error, dev sdb, sector 31159048, so I suppose it's a bad sector. How can I fix it? Here's a full log of ...
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3answers
130 views

How can I untar a filesystem backup into a VM disk image?

I've been provided a .tar.gz archive containing the files from a VM file system (but not the filesystem itself) and I need to untar these into a raw disk image so that I may mount them as a VM. How ...
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1answer
378 views

How to protect files/folders from being copied/moved/deleted/cut on windows

I need to share data on an external drive that will be handed over to someone else, and I would like to achieve the following: (1) protect all the files and folders from being ...
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53 views

OS X Lion - cannot run spotlight, mail, iCal etc

Whenever I try to run Mail or iCal I get the following error: Exception Type: EXC_BREAKPOINT (SIGTRAP) Exception Codes: 0x0000000000000002, 0x0000000000000000 Application Specific Information: ...
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2answers
158 views

Read data from unknown filesystem?

I have a disk from an old XBMC live box which no longer mounts. I have plugged it into my ubuntu 12.10 computer, my macbook pro (usb) and my windows xp vm (macbook pro usb). They all see the disk but ...
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1answer
55 views

Do any filesystems support multiple forks / streams on directories?

Apple's HFS+ supports multiple forks such as the old data and resource forks. NTFS supports alternate data streams. I believe some *nix filesystems also have some support for multiple file forks or ...
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1answer
846 views

Disable journaling on ext4 filesystem partition

I'm running Linux Mint on an SSD. I've read how one optimization is to disable journaling. However, when I run the command: sudo mke2fs -t ext4 -O ^has_journal /dev/sda1 I get an error saying that ...
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Why are some file systems better for fewer files, some for more? [closed]

Knowing that there are many different file systems (FAT16, FAT32, NTFS, ReFS, EXT2/3/4, ZFS, HPFS, HFS+, CDFS, etc), I assume that they are all used for different things. I know that EXTs are used in ...
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1answer
40 views

Blacklist filename on FreeBSD ZFS

I have a ZFS based NAS that various platforms use for shared storage, namely Windows XP/7/8 and Linux. I've noticed that Windows clients are creating Thumbs.db files left right and centre, which I do ...
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2answers
71 views

Why sizes are different, and what do they mean?

I have a 1 TB hard drive that consists of one NTFS partition which I use to back up my data (no operating system). The size of all the data in it is : 726 GB, size on disk: 728 GB, and the used space ...
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98 views

Details about, “Hide Extensions of Known file types”?

What does known file types actually mean? What makes a file type as a "known" file type? Can we explicitly Add/Remove extensions/types from the list of "known" file types?
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1answer
135 views

copy from NTFS to exFAT but “size on disk very” is very bigger than “size”

I tried to backup from my NTFS external hard drive to new exFAT external hard drive when my copy finished I saw that I have very little free space remained. I checked my file size and I saw that the ...
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2answers
145 views

How to save and restore file's created/modified dates?

I've copied a bunch of files from one server to the other, and now the files' dates are reset to current. How to backup files' dates on old server and restore the them on the new one (without ...
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1answer
57 views

Is there a race condition when two computers have the same remote directory mounted over NFS

I am seeing some very strange results in a filesystem where I have one machine that creates a directory in a mounted NFS filesystem, does some work it in, then makes a remote call to another machine ...
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1answer
180 views

WD My passport space problems

I have a new MY Passport hard drive 1 TB, Model: WDBBEP0010BBk-EESN. I checked the properties of the hard drive when I first plugged it in, the used space was 320 MB, though the total size of the data ...
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4answers
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If FAT32 has a 4 GB file size limit how was I able to copy my 13 GB iPhoto Library file onto this drive?

It's a 32 GB FAT32 USB thumb drive, and it seems to be having no trouble with my 13 GB iPhoto Library file. I thought there was a 4 GB file size limitation on this file system format?
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fsck did not recover all files - anything else to try or fresh install?

yesterday a server of mine (debian) went into read-only mode because of problems with the main device (ext3). I contacted the hosting support and the guy told me to boot into rescue and do a fsck on ...
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1answer
57 views

Does this file format exist?

Is there a file format that handles the following use case... I'd like to create a tar file (or whatever - I'm just using tar here b/c it's a well known file format for containing multiple files) ...
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3answers
1k views

Read Only flag. A property of the folder, too? (not just file objects?)

I select the following option to set the "Read Only" flag at the folder level and to cascade this flag setting to all of the descendant objects... When I check the files after initiating this ...
2
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1answer
103 views

Does eCryptfs prefetch and/or buffer data?

I have been experimenting with using eCryptfs as the underlying file system for MySQL data to mimic transparent data encryption for MySQL. I ran some tests to measure the overhead of decryption when ...
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2answers
114 views

Get all files from a directory without read permissions?

In Linux/Unix, if I am inside a directory of another user, but cannot view the contents of the directory by typing "ls," how do I get a copy of all the files? Is the only way to guess what the file ...
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1answer
62 views

differnce between blocksize and bytesize in linux/unix filesystems

Can anyone discuss the exact difference between block size and byte size, when it comes to disk sizes for Linux/Unix filesystems.
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External HDD 1 Terabyte - exFAT or NTFS [duplicate]

Possible Duplicate: Why should I use exFAT over NTFS on removable media? So yeah, i'm looking for the best/FASTEST/SAFEST File System known..My OS is Windows 7 (possibly Windows 8 Pro in ...
0
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1answer
258 views

What characters are not allowed in SkyDrive file names?

I'm adding my music to SkyDrive, and a file failed to sync with this message: Error: This file name contains characters that aren't allowed. Resolution: Please change the file name so it doesn't ...
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34 views

two hyphens “- -” merged to single — for a word document file name

Im having a strange issue, there is doc file with following file name "SDH -- 001.doc" which was uploaded to a portal by my friend. But when he tried to download the same download file , link shown ...
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1k views

How to make my SanDisk Cruzer Blade 4GB disk back to normal?

Currently, my SanDisk Cruzer Blade 4GB have become a 64MB Firebird RAW flash drive (thumb drive). I don't know why it become like this but when I plug it into a PC, it suddenly transform itself to ...
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3answers
422 views

Is there a filesystem that keeps only one copy of a file, and other copies are just references?

The question may be imprecise so I will try to explain it in more detail. For a number of reasons I have lots of copies of the same file on my Linux file-system. Many of them are quite large. Say I ...
2
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1answer
64 views

Naming a file so it appears at the top when listing files

What I want to do is make it so a particular file is listed at the top when using ls or browsing via file manager like Nautilus. I want this to work without any system configuration as the files will ...
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2answers
147 views

Can a hard poweroff / outage / crash corrupt VMware snapshots?

Assuming a host system is running virtual machines (in VMware Workstation) and all their data is on a reliable storage (so no data corruption due to hdd failure). If that host crashes (kernel panic) ...
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Removing duplicate files, keeping only the newest file

I'm trying to clean up a photo dump folder, in which several files are duplicated but with different filenames or lost in subfolders. I've looked at tools like rmlint, duff and fdupes, but I can't ...
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199 views

Files not detected on Windows 8 RTM [closed]

I just wanted to give a try to Windows 8. So for that I first copied all the data from two non-system partitions of my Win 7 PC to other PC running Win XP. Then I formatted the whole disk on which Win ...
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4answers
165 views

Correcting tree from messed up file tree in NTFS partition

It's a real messed situation, but I'm quite at the end of my options. It's my personal hardrive, so it's very important for me, and yes, I have no backup =( The short story: 1) I have two discs. ...
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2answers
163 views

custom filesystem with fancy readdir or bash completion behaviour

Ok. After trying to formulate this question a couple of times, it turns out that this will be a long one. Anywho: Consider this file structure: photos/ ants/ pic1.jpg animals/ dog.png ...
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24 views

When will the modified time of folder be changed?

When will the modified time of folder be changed, on both of windows and linux? I know the modified time changed when its inode is changed. But when will the inode of folder be changed?

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