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.

learn more… | top users | synonyms (4)

1
vote
1answer
65 views

How does a dynamic disk image work?

I was curious about the inner workings of virtualized computing. Most hypervisors, including VirtualBox and Hyper-V, just to cite a couple, have the option of creating a dynamic image for disk ...
1
vote
0answers
29 views

Are Extended Attributes Indexed?

Are desktop search applications like Beagle or Tracker able to index extended attributes like they do with the other file's attributes? If so, that means that a user can define this extended ...
0
votes
1answer
38 views

Not permitted to create a new directory on a ntfs partition?

I am using Ubuntu 12.04. When I open a pdf file in Evince, and want to click "Save as" in the menu of Evince to create a new directory on a ntfs partition (shared between Ubuntu 12.04 and Windows 7 ...
1
vote
2answers
81 views

Using wc on a file while it is used by other program

I am generating a text file that in the end will contain roughly a billion entries. The file is generated by a program that writes to it every couple of seconds. For this it always opens the file and ...
1
vote
0answers
39 views

Mount UMSDOS in Windows

I have a directory that has --LINUX-.--- files in it, from when it used to be mounted in a Linux system as UMSDOS. Is there a driver that allows for mounting this directory in Windows so I can see ...
10
votes
3answers
10k views

Windows 8.1 missing font files after restart

Some days ago I rebooted my windows 8.1 system. After the reboot all my system texts were very cryptic - showing only some strange symbols. After some investigation I discovered that my ...
5
votes
3answers
866 views

Benefits of converting Data partition from NTFS to FAT32

Desktop PC with internal SSD is running Windows XP SP3 and partitioned as below. Over time I've come to learn that NTFS does many more read/write operations than FAT32 thus possibly reducing the ...
0
votes
1answer
35 views

Formatting harddrive for data storage

I have an SSD and a HDD drive stored on my computer. The SSD is for running programs and the OS and the HDD is for storing media, data, and other things that don't require fast read and write speeds. ...
1
vote
0answers
27 views

Linux - How to change default application for text files with custom extensions?

I do some creative writing and use PyRoom for most of my drafts. I want to save my drafts with a custom extension story(i.e. Persuasion.story) and associate story extension to PyRoom. I want to, ...
2
votes
2answers
3k views

Can I expand the size of a file based disk image?

I created an empty disk image using dd, then I used mkfs to make it a real filesystem image. I am mounting and using it fine. What I need is to be able to expand or shrink this file based disk image ...
0
votes
0answers
14 views

Are there resources which list the file contents of a “clean” OSX install?

I'd like to be able to look up which files (especially shared libraries) are installed by default on a given version of OSX, as opposed to the libraries I've subsequently installed on my machine. Is ...
0
votes
1answer
25 views

mac osx copy bootable startvolume works but keeps filesystem

He there, i have a macbook air with one ssd hdd that is unfortunetly formatted as journal extended case sensitive. so i have an external hdd where i copied my whole startvolume bootable with the ...
1
vote
1answer
111 views

Linux root filesystem on custom hardware

I have a custom-designed SoC implemented on FPGA, based on an ARM-processor clone, on which I am trying to boot Linux (kernel 3.10). I have successfully added support to my custom peripherals (an ...
1
vote
0answers
367 views

How to repair SD card that was unplugged during formatting?

I tried to format my SD card on my Windows computer but unfortunately I pulled it out during the process. Now it can't be recognized. I tried to wipe it using disk utility on Mac OS X but after it's ...
0
votes
2answers
55 views

ls -lrt showing file which is not present

When I do ls -lart in my current working directory it shows lrwxrwxrwx 1 root 10004 36 Dec 16 17:59 index.html ->/home/moviebeam/assets/ui/index.html But I cannot see contents of the ...
0
votes
2answers
118 views

How to understand this messages in /var/log/messages?

the messages is: Dec 18 10:08:55 localhost kernel: sdb: Current [descriptor]: sense key: Recovered Error Dec 18 10:08:55 localhost kernel: Add. Sense: ATA pass through information available Dec ...
1
vote
3answers
166 views

How to mirror a filesystem structure but without any content

This is needed for backup purposes. Just the index of the entire fs structure. I can do such image with a FAR plugin. How can the same be achieved in the GNUverse? Mirroring means perfect copy, i.e. ...
1
vote
2answers
66 views

SSH or Remote filesystem mounting

In a situation where you spend the majority of your time in the terminal and Vim/Emacs/other command-line editors, what are the pro's and con's of working via SSH or by mounting a remote filesystem ...
3
votes
2answers
400 views

Is there anything faster than `find . | wc -l` to count files in a directory?

Not uncommonly I have to count the number of files in a directory, sometimes this runs into the millions. Is there a better way than just enumerating and counting them with find . | wc -l ? Is there ...
1
vote
1answer
46 views

How to unlock lost file handles?

I'm a developer and sometimes my IDE crash leaving a huge cache file locked. When I restart my IDE I can't compile because the file is locked and can't be removed. My solution to the problem now is ...
1
vote
1answer
78 views

ext3 vs ext4 bonnie++ rand/seq create speed

I am testing the difference between ext3 and ext4 for our application. When I run both filesystems through a bonnie++ test, the results for file creation on ext4 aren't very good. While ext3 can ...
1
vote
2answers
100 views

How to make the system detect hard drives as a designated block? (e.g. /dev/sde)

If I attach a hard drive to the system, and I want the system to recognize this device as a /dev/sde device rather than the default /dev/sdb. How should I do that? Thanks.
2
votes
1answer
3k views

How to get actual creation time of a file on Unix?

I'm inspecting some files in my dedicated web server via linux cli after a hack attack and found some files have been modified with the 'touch' command to change the dates. I'm willing to get the ...
2
votes
1answer
100 views

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?
4
votes
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?
0
votes
3answers
396 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)?
1
vote
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 ...
0
votes
3answers
101 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 ...
1
vote
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 ...
0
votes
0answers
44 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 ...
3
votes
3answers
72 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 ...
2
votes
1answer
62 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 ...
2
votes
1answer
53 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: ...
6
votes
1answer
662 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 ...
0
votes
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 ...
3
votes
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 ...
0
votes
1answer
92 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. ...
1
vote
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: ...
0
votes
1answer
132 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+ ...
1
vote
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 ...
0
votes
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 ...
2
votes
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 ...
2
votes
2answers
128 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
votes
1answer
74 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 ...
2
votes
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 ...
1
vote
1answer
82 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 ...
1
vote
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 ...
1
vote
3answers
240 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 ...
1
vote
0answers
210 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 ...
3
votes
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 ...