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 can I determine the location of a file on disk (sector/offset) on an NTFS filesystem?

Are there any tools/utilities that can enumerate all the sectors on which a given file is stored?
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2answers
95 views

What is file ']' ? How is it created?

I wonder how this file got in my directory? When I run ls -lrt it shows -rw-r--r-- 1 and size 117562 . Can I get any directions for this?
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3answers
365 views

How to attach a virtual hard drive to occupy /dev/sdb?

I want to insert a virtual hard drive (or anything) to occupy the system block /dev/sdb, how could I do that in Linux (Ubuntu and Debian)?
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2answers
42 views

Relocating Double OS to New Disk

I have a 256GB SSD which is my OS disk. I have 2 OSes in it, Debian and Windows. I want to move to a larger SSD Disk, probably 1TB (again SSD) or 512 GB (SSD). I just have a really nice working two ...
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3answers
99 views

UNIX vs Windows Filesystem; why does UNIX assign a finite space for each directory?

All, I am finally getting settled into the intricacies of NIX however one thing I am still trying to figure out is why UNIX assigns hard disk space to each directory in its filesystem. I discovered ...
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0answers
50 views

Two files with same path and name - corrupted file system?

My computer is running windows XP 32 bit. I am using the following script to download the contents of a website to my hard drive, which is formatted as NTFS. wget-1.10.2.exe -r -x -p -nc -c -e ...
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42 views

How to edit directory structure in HEX in Windows?

I have some strange filesystem damage, where some files are treated as directories. Scandisk sees no problems. So, I would like to edit/check directory in HEX as it was in ancient times with Norton ...
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3answers
71 views

How to search a custom character in windows?

My current Windows 7 is in English. I have some files transferred from another computer which contains non-english characters. Look at the picture below Now, I want to delete them all. But writing ...
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1answer
57 views

Deleting directories with many hard links

I'm trying to clean up a directory that contains a lot of data (more that 1 TB), with many of the files hard linked to save space. For some context, this is the drive where we keep our builds, and we ...
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1answer
52 views

I need to test USB performance with Ext2 and Ext3 filesystems [closed]

Any tool which gives exact speed and cpu usage information? Likely dd and hdparm tools. Ouput is likely to come as below links: ...
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1answer
589 views

How much space do directories consume?

How much space empty directories take? In Windows and NTFS file system it say '0 bytes' which is impossible. How much is really taken up by a directory? Does it depend on the file system or ...
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1answer
54 views

Delete Unrecognised Primary Partition

I have a TamilNadu Government laptop Lenovo B460e. First when I got it, it had dual boot (grub) for Windows 7 and Linux .The harddisk size is 320GB. I deleted those OS and installed new Windows 7 ...
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1answer
1k views

Unicode Characters in Ubuntu Server

I recently migrated from Ubuntu Desktop 13.04 to Ubuntu Server 13.10 and now my filesystem doesn't seem to support unicode characters. I use rsync to backup/sync files and it shows the proper ...
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1answer
88 views

How can I spin up a drive with batch script?

How can I spin up a drive using batch script. I have a daily sync script between my PC and my file server. The drives on my file server spin down during periods of inactivity which is desired. ...
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1answer
73 views

Why doesn't Windows plan ahead when file moving/copying between drives/directories?

When I move a file from C: to D: (for example), sometimes I might have an older backup to merge into, but then it will start copying and stop halfway with a message that says something like this: ...
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1answer
128 views

Setting up Debian file server, looking for advice about what file system to use

I'm currently working on setting up a Debian media and torrent server for my home. Most of my home network is comprised of Macs, and up until now my "server" was two 4 TB hard drives formatted HFS+ ...
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1answer
25 views

Search for file in drive without filesystem and partitions

I have a drive without any file system or partitions available. I copy there file with dd command. Is there a program which can search such drive for file headers or something like this and thus ...
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0answers
13 views

Hard disk file system converted to Raw file system [duplicate]

How to access Raw file system? My Portable harddisk was working fine. But once I accessed it from linux terminal. And Later when try to use it in window it says You need to format it before you can ...
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1answer
1k views

Reformatting USB to support large files in Windows, Linux and Mac

I'm trying to copy a 5.3 GB file from hard disk to a USB 3.0 SanDisk 16 GB USB key. I've tried this both from OS X as well as from Linux. In both cases the file is partially copied and then the ...
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2answers
126 views

Are there any issues of have huge files in HD in a 32 bit system?

I know that in 32 bit systems the largest memory we can have is 4GB (2^32). But I am not clear what is the implication of this in terms of files. I think that we can have files of arbitrary size in ...
2
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1answer
72 views

Accessing file with illegal character in Windows

I have a setup with an Apple Time Capsule that I'm trying to access from a Windows computer I installed Airport on. I can connect fine and everything works fine, until I try to access a folder with ...
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1answer
1k views

Shrink or delete udev partition in Ubuntu?

I ran out of disk space today while trying to compile a program. When I ran df -h, I noticed that the partitions were wonky. df -h yields Filesystem Size Used Avail Use% Mounted on /dev/sda1 ...
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1answer
80 views

Fixing lost symbolic link status [closed]

I have a couple of soft symbolic links that have lost their link status and have become normal files containing link TARGET_FILE_LOCATION I searched quite a bit to find a way to restore their ...
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1answer
28 views

EXT and other filesystems

Is it true only NTFS needs to be defragmented? Are filesystems like ext4, 3 and 2 immune to fragmentation issues. Apple never seems to require a defragmentation so what makes some filesystems immune ...
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3answers
219 views

Is there an equivalent for AuFS (such as in Ubuntu) that has balanced branch writing for OS X?

We're switching the OS on our media/file server from Ubuntu to Mac OS X (most likely OS X Server 3.0). We've been using aufs and SnapRAID on Ubuntu and like its ability to have balanced branch ...
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0answers
204 views

Contiguous physical allocation of a set of files in linux filesystem (ext4)

I have a set of files that I wish to be allocated contiguously in the filesystem. I will be accessing all these files sequentially in a single read one after the other and I want to optimize reading ...
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3answers
68 views

Is there such a thing as a file hosted container which deduplicates data held within?

Background I have backups of a website which stores all of it's data into a single file. This file is several gigs large and I have many different backups of this file. Most of the data within is ...
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5answers
15k views

How to format pendrive from fat32 to ext3 in windows7?

I am trying to make a live USB of OPHCRACK, and I tried to boot from a fat32 pendrive. But after making a live USB, it wouldn't boot. After searching awhile, I came to understand that ophcrack will ...
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3answers
196 views

Explode all folders

I've got a folder with about a hundred sub folders and again each ones of those has between 10 and 20 sub folders, so all in all a pretty large folder tree. Is there a simple way I can explode or ...
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1answer
778 views

How to enlarge RAID5 array with MegaRAID WebBIOS?

I'm a little confused with RAID5. I created a RAID5 array group from WebBIOS with 6 drives. Then created an XFS partition on this RAID5 drive. How can I enlarge the RAID5 without losing data? In ...
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1answer
146 views

Creating a FAT file system and save it into a file in GNU/linux?

I tell you my problem: I want to create a FAT file system and save it into a file so I can mount it in linux using something like: sudo mount -t msdos <file> <dest_folder> Maybe I'm ...
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1answer
15 views

Strange replication between volumes

In one PC i found strange issue: there are two folders C:\folder1\ and D:\folder2 on it, when i create file in one of them (either), the same file instantly appears in another folder. What can cause ...
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79 views

FAT32 Structure

Is there any tool available which can provide some form of dump of the physical locations of files on a FAT32 filesystem ? I am investigating a corruption issue with an embedded system and a ...
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1answer
181 views

EXT4 external hard drive for use with multiple systems

I recently bought a external hard drive to store some data on. I use Linux but I am not a power user. If I format the drive to EXT4, is it possible for the permissions to ever screw up and I lose ...
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1answer
81 views

faulted newly created files when no free space

After running out of space in the $HOME i found some of my scripts failing, leaving corrupted files arround. I'll explain with an example: I'm using Ubuntu 12.04, the / partition is ext4 with the ...
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0answers
63 views

How to only allow particular programs to modify certain files?

I want to make certain directories on my drives read-only except to particular programs who will have full permissions. For example, the Microsoft Word might be allowed to modify the files in my ...
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1answer
586 views

Recommended Settings To Format USB Sticks

I have always formatted USB sticks (aka flash or jump drives) to the default settings that Windows suggests. Do these settings provide the best performance? Under what situations should they be ...
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120 views

What would cause an .exe to vanish without a trace?

I have a few computers. One computer, at home, one day suddenly had its pgbouncer.exe vanish. The antivirus didn't have it in its virus chest [avast]. I couldn't find the bgbouncer anywhere. All the ...
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1answer
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Journaled filesystem for virtual machine

I have been doing some virtualization and am now wondering if it is a good idea to use a journalled filesystem inside a virtual machine or not. Of course a journal makes things a bit slower, but ...
2
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1answer
126 views

Instantly move huge folder to another directory on same drive in Windows?

I have 1 TB of files in D:/Foo but I want to move it to D:/. It takes several hours to move this by simply dragging the contents of Foo to its parent directory. Since this is on the same drive, is ...
3
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1answer
42 views

Does media type affect fragmentation?

How does filesystem fragmentation (non-contiguous data blocks) differ among mediae (RAM disk, HDD, floppy, what-have-you)? For example, if I read and write to my a RAM disk the exact same bytes as I ...
0
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1answer
49 views

Firefox, no Open With… option

I have never had an Open With... option with Firefox. Is there a way to get this functionality Here is a screenshot of my context menu. Note that shift-clicking or shift right clicking makes no ...
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0answers
26 views

What's the purpose of the Linux filesystem checkers' “interactive mode”?

Linux's fsck disk-repair tool often runs in an "interactive mode" by default. This means that, if it finds problems, it may ask me questions. But these questions tend to assume that I am a filesystem ...
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0answers
243 views

Why Modified /etc/passwd file ask for password

I have /etc/passwd which I modified as per some requirement but now when I login to my target board,it is asking for the password .Earlier for root user just skips the password prompt. This is how ...
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2answers
76 views

How to know current location of file before save it?

I am using windows OS. Suppose I were open a notepad in windows and then type something in it but do not save it. So I want to know that what is current location of notepad file before saving it means ...
0
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1answer
83 views

How do I view Linux file system drives on a Windows machine? [duplicate]

I have an external hard drive that was used on a linux system to store a bunch of data. I no longer have access to that linux system any more but would like to view the files on a Windows machine. ...
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1answer
45 views

File server monitoring in AD

I was asked to find a way to monitor changes (modification, renaming, deletion, moving) of files in specific folders on the company's shared file server (simple windows shared directory) What I'd like ...
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2answers
74 views

Is MyIsam safer than InnoDB?

Is MyIsam engine safer than InnoDB about loss of data due to FileSystem error? It seems that InnoDB is not reparable with MySQL tool. I had to choose my engine and I chose InnoDB because of foreign ...
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1answer
45 views

Is there a way to convert FAT16 to NTFS using terminal without convert.exe (windows 7)?

Do you know any other ways of converting filesystems in Windows 7 only by means of OS itself?
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1answer
163 views

Writing to a UDF WORM SD card in Linux

I'm looking into getting some Sandisk 1GB WORM SD cards for archiving things. I assume they appear to the OS as a block device (they're SD, after all). I noticed that mkudffs supports a worm media ...