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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what is the difference between the Size and Size on disk fields in File properties? [duplicate]

what is the difference between the Size and Size on disk fields in File or Folder properties?Some time both of them are same.Sometimes these are different.But why?
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8answers
25k views

Why is there such a big difference between “Size” and “Size on disk”?

As you can see below, there is so much difference between the Size and Size on disk fields in my folder. Why is that? I know that Size on disk should be a little more than Size because of ...
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0answers
42 views

How to deselect a selected folder in OS X file dialogs?

I'm having a difficult time with wording this question for web search queries, so thought it'd be appropriate to ask on a StackExchange site. This is such a strange UX bug, I don't know even where ...
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1answer
91 views

System32 files missing

This may seem a unusual request but I need someone to give or help me find a system32 folder, for Windows 7 ultimate 32-bit. I have damaged a lot of the files and it is now failing to boot. Can anyone ...
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5answers
498 views

How do I refresh directory in BASH?

I have a directory, containing files generated by compiler. During each rebuild this directory gets cleaned and, after build process ls gives me empty output. After I cd out of directory and then back ...
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1answer
148 views

How to format a compact flash disk with ext3 filesystem, when the device is apparently in use by the system?

I would like to format a 2 GB compact flash disk in the ext3 format under Linux (Ubuntu). To do so, I put the flsh card into the flash card reader checked dmesg to see the device is under /dev/sdb ...
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1answer
183 views

Force all files in a NTFS compressed folder to automatically compress [Windows]

Is it possible to keep all the files within a NTFS-compressed folder compressed? For example, if I have a compressed a folder using NTFS compression, it will compress all the files inside the folder ...
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0answers
59 views

Linux directory becoming a clear plain text file

Did anyone encounter this before? I have a directory called opt which is working previously. Last few days ago, i tried to expand LVM size by using off-line expand. It show success but with some error ...
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1answer
57 views

How can I find out which process deleted a file in a Windows environment?

I use AllwaySync to synchronize a large number of music files across two external drives attached to Windows machines. Recently, several thousand of the files were deleted from one of the drives, and ...
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4answers
101 views

Mountable filesystem that automatically splits files

Is there a [virtual-]filesystem that can automatically split files in storage but present them to the user as single files? For example: The user sees: /user/files/10TBfile But it is stored as: ...
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1answer
29 views

PID file with problematic folder info

I have a .PID file that has this appearance when I do ls -al: -????????? ? ? ? ? ? x10monitor.pid I'm not having much success getting rid of it. Have tried rebooting, ...
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1answer
360 views

Error using ubiattach

I have a small 'ARMv7 Processor rev 2 (v7l)' powered box running Ubuntu 10.04 LTS with kernel 2.6.37 The environment is a squashfs rootfs with a small RW config area: # df Filesystem 1K-blocks ...
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14 views

Allowing access to source files for only a group of users in a webserver

I have this folder structure : RootFolder Export Files Site and want the access to the files (source code) in Export and Site to be allowed only for a group of ...
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1answer
53 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 ...
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0answers
25 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 ...
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2answers
96 views

Can't save game (write file to disk) from guest account, even with permissions

Under Windows 7 I have two accounts, one guest and one superuser. The guest doesn't have permission to install software (i.e. user the Windows Installer), but has been granted permission to read/write ...
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1answer
34 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 ...
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2answers
61 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 ...
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0answers
33 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 ...
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3answers
4k 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 ...
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3answers
500 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 ...
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1answer
32 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. ...
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0answers
23 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, ...
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2answers
881 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 ...
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0answers
13 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 ...
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1answer
22 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 ...
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1answer
86 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 ...
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0answers
244 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 ...
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2answers
40 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 ...
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2answers
79 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 ...
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3answers
127 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. ...
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2answers
49 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 ...
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2answers
186 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 ...
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0answers
26 views

Recovering EFS files from an unbootable Windows partition

I have several folders that were accidentally EFS-encrypted because of a bug in Windows' built-in zip extraction function ...
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1answer
35 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 ...
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1answer
68 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 ...
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2answers
75 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.
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1answer
1k 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
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1answer
59 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?
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2answers
87 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
161 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
38 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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2answers
68 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
43 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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0answers
35 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
62 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
45 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
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1answer
46 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: ...
4
votes
1answer
271 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
51 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 ...