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 different between sdelete -c and -z?

I've learned from this article to use sdelete as a step to shrink VDI file: sdelete -c c: But what does the -c ('Clean free space' as described by its help text) mean? Doesn't it write free space ...
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1answer
89 views

Copy And Replace System Files Which are in use

I have edited authui.dll (first I copied it form Sys32 folder on my desktop and then edited it) which is related to windows logon. Now After edition I need to copy and replace it back into sys32 ...
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0answers
124 views

My directory has become recursive. How can I remove it?

The directory structure of one of my folders has become recursive or something, making an almost endless loop until I cannot go further down: ...
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2answers
30 views

Find particular file in particular directory

I want to find the particular file name in particular directory in ruby. I tried the following Dir.glob() file = Dir.glob("/home/prakash/Desktop/*.uploaded") output: ...
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1answer
2k views

What is short-path missing for C:\Program Files? How can I add it back?

Windows 7 (32-bit) I have an application that requires short path syntax for a sub-directory under Program Files (c:\Program Files\Foo Example\Foo Example2). On MOST of my user systems, it's enabled ...
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2answers
272 views

RAW file system formating

I have flash drive with a RAW file system. I would like to format it (with a filesystem such as NTFS). Is this possible? The flash drive I have is a 16GB Kingston USB. Because it has a RAW file ...
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0answers
24 views

Snapshotting virtual disks mounted in Windows without using vritualization?

I know that you can mount VHDs in Windows, but you can't create snapshots on the go, like in virtual machines. You have to unmount it first, create a differential VHD using Diskpart and mount it ...
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1answer
49 views

Open files without extensions in PDF viewer per default [duplicate]

For some reason (backup system, different story) I have a bunch of PDF files without a file name extension. It is possible to configuere my PDF viewer as the default application for files without ...
5
votes
1answer
657 views

Meaning of . and .. directories in linux [duplicate]

When display hidden file and directory in terminal using ls -la it show two directory i.e. . and .. and when list the content of dot(.) directory it contain all file and directories that is in it's ...
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1answer
28 views

what is the difference between /var/lib and /var/run

I am studying unix-like filesystem structure especially FHS. Anyways i know in the recent FHS /var/run is moved to /run I can't understand the difference between lib and run. Can someone elaborate ...
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1answer
41 views

Boot in windows

I have windows 8.1 installed on my laptop; I wanted to install ubuntu with a bootable usb. I think I unvolontary changed the type of the windows partition and now I can't boot on windows, i have the ...
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1answer
213 views

How to partition hard disk for dual boot for Windows 7 and Ubuntu Linux

There are similar questions on this topic, but I could not find exact instructions for my case. I want dual boot system that supports Windows 7 64 bit and Ubuntu 12.04 LTS OS. I want one partition to ...
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1answer
202 views

From where comes the inode number of a file mounted through NFS?

I asked a question on codereview to know if I could safely replace the following code: :inode => [stat.ino, stat.dev_major, stat.dev_minor], which threw NotImplementedError because of jruby not ...
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0answers
201 views

How to increase HOME Folder partition size in centos 6.3 64 bit

I have migrated my system from Windows 7 to Centos 6.3 64 bit. While installing centos 6.3, I have created a partition. Details: Root ext4 30000 boot ext4 20000 tmp ext4 Allowed to fill ...
0
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1answer
37 views

File System for virtualization server [closed]

I am going to be running a Proxmox (a virtualization distro based on debian wheezy) server. There is going to be 1 or 2 KVM vm and 2 - 3 openVZ containers running at any given time. I want to be able ...
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1answer
102 views

Is ZFS (filesystem) good for SDcards?

Ive reviewed all filesystems listed here: http://en.wikipedia.org/wiki/Comparison_of_file_systems I like ZFS the most out of all of filesystems listed there. But is it the best choice for ...
4
votes
3answers
624 views

Can a large number of (small) files degrade the performance of a filesystem?

I'm working on an archival project and currently I'm storing 514600 images (ranging from 200kb to 2mb) on my 4TB NAS drive. The drive itself is formatted as ext4 and I'm writing the files over the ...
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0answers
25 views

Filesystem vs Object Store

Few months ago I created a PHP storage service, that serves as a bridge between our filesystem and web applications via its REST api. File metadata and file path (and "clustering" per storage type) is ...
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0answers
424 views

Testdisk VersuS corrupted removable sdcard and phone storage

I've tried most of things for my very specific situation in Testdisk but they didn't help except a few things I havent tried because I dont know if and how do them. What happened: I had removable ...
0
votes
1answer
645 views

What is the correct way to configure a linux installation's partition system?

FIRST Sorry if this is technically a duplicate. i Have searched for the information and was unable to find it in any of the answers or forums. SECOND Since SE likes to close questions that don't get ...
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3answers
75 views

Caching a file system over the internet

I store all my files on my private server (DSL line, /28 network but still slow, especially the up-stream which is 512kBit). This works well for my smaller files, all my emails, Zarafa etc. But for ...
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0answers
37 views

How to view file activity (from the command prompt)?

I want to see who recently saved a large number of files to a shared folder on our network, and if I recall, there's a way to print file activity from the last week for example in the command prompt. ...
1
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1answer
43 views

Mountpoint for static mounts

I have a new Server with multiple hard drives (four of them). It's running Debian and I am currently installing it. Now I want to mount the HDDs according to the FHS. I found two possible locations: ...
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0answers
99 views

overlayfs, merging upperdir and lowerdir

After un-mounting the overlayfs, would it be possible to apply changes saved in the upperdir (rw dir) to the lowerdir? (merging changes)
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0answers
75 views

Userspace manipulation of partition and disk images

On a Linux system, is it possible to use only user-space tools to create and manipulate partition images (which will probably only have ext2 filesystems on them) and then take those partition images ...
3
votes
1answer
76 views

Hidden Files in Linux

In Linux (specifically), what's the difference between making files hidden by adding a "." before the name, or adding a "~" after the name. I know that both work for files, and that only the period ...
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1answer
116 views

Any way to make Mac understand Windows file paths

My organisation use Windows almost exclusively, but I use a OSX for my work. Their intranet and many applications links to files on the org's Samba shares directly (e.g. "W:\Folder\File.ext") Long ...
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2answers
81 views

Will a big RAM improve filesystem write IO?

We have hundreds of millions of small files on our server, totally about 500 GB. I'm looking for a way to speed up their creation. Would there be any difference if I get more RAM for that purpose? ...
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0answers
27 views

Speedier File Access in Window Manager/File Explorer when File Names have Similar Starts

I was wondering both from a Windows [7] and a GNU-Linux system set-up perspective: When you are opening files in the File Explorer/Window Manager and you type in the first letters in the file's name ...
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0answers
537 views

Why does it take so long time to permanently delete files from a USB memory?

I'm deleting a Python installation folder (12000 files, 256 MB) from a USB flash memory from Windows. It is currently expected to take 40 minutes. Why? I thought it would be enough to change a couple ...
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0answers
49 views

edited file not saved, while root, with mounted image

My problem is editing a file in the file system of and Android device. I have provided a short synopsis of how I got the file system off the Android device and mounted it on a Ubuntu PC - but the ...
0
votes
2answers
49 views

Time stamping of files in Windows 8

I need to know the exact time I shot a video. The video was shot with an iPhone and moved to a Windows 8 PC. The Properties dialog in Windows tells me the following about this file: Created: ...
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1answer
19 views

(Relatively) safe and reliable, eternally reserved/unused drive areas?

I’m trying to find out if there are any areas of a drive (preferably file-system–independent) which are never really used. To clarify, I’ll demonstrate my use-case scenario. I am writing a tool to ...
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1answer
53 views

Fast splitting of list of files in chunks of the same size (memory)

See title. Assume I have the following list of files and relatives sizes: cat list_of_files.txt: 1243 001.txt 124 002.txt 4132 003.txt 3000 004.txt I want to be able to split into multiple chunks ...
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1answer
41 views

Massive slowdown in HDD

I was running a multi-threaded program that makes huge amount of I/O operations, Basically reading/writing Millions of files. I had some problems/bugs and I used to halt the program to fix something ...
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0answers
76 views

Tools to create a 'GitHub' style index page for files/folder on a fileserver?

My workplace doesn't have a document management system. People just throw files on a shared fileserver, where search doesn't really work. Trying to find information/files for a particular project by ...
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0answers
39 views

ext4 superblock checksum?

I'm reading the ext4 superblock, but its s_checksum (offset 0x3FC) is always zero. Also the s_checksum_type (offset 0x175) field is zero as well, however according to ...
1
vote
1answer
27 views

Is there a method of pre-pending one text file to another much larger text file without cat?

I have a 330 Gb file and 10 lines of text I'd like to pre-pend to the file. I don't particularly want to write out all 330 Gb again, just for 10 lines of text. Is there some low level command that ...
0
votes
1answer
412 views

Can't create symlink on Windows VM's mapped network drive

I have a Server 2008 VM (Parallels 9), and I share a folder from OSX via a mapped network drive "T:". I am trying to make a symlink from one folder on T: to another folder on the same drive, like so: ...
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2answers
60 views

Hard disk space utilization anomaly between two methods

Issue I have an external hard drive formatted as NTFS with a single partition, for which, when I check for properties of disk space it shows, 450 GB used and 6 GB free. If I try to write a 7 GB file, ...
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0answers
33 views

Phantom files at random, all 0kb

One of my clients has been having phantom files being created in the drive locations he's been working in. Let's say for example he's working in C:\Users\John\Documents\Church-stuff\ on a document ...
0
votes
1answer
23 views

Persisting Silent File Corruption Through Mirrored Backup

I have over two terabytes of flac files and I mirror those files to another drive using RoboCopy. I was wondering about the following scenario. The drive storing the files begins to fail and several ...
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0answers
113 views

Linux LUKS and choice of filesystem

Which filesystem displays the best performance when running on a LUKS encrypted partition? Does it make sense to use f2fs when the LUKS partition is on an SSD, or does the device-mapper abstraction ...
0
votes
1answer
1k views

How to delete .Trashes/* on NTFS drive on Mac?

I installed Tuxera NTFS for Mac 2013.2 on Mac OS X 10.9. I find that /Volumes/<some NTFS drive>/.Trashes/* on a NTFS drive I mounted on Mac cannot be deleted. Any idea? Things I tried in vain: ...
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votes
2answers
34 views

Optimal Linux partition configuration

What's an optimal distribution of partitions for Linux(mint16)? I know almost any Linux user will say that it's a matter of opinion but I'm new to Linux and also fairly new to file systems. I'm just ...
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1answer
196 views

Why some write-in-progress files report 0 byte but shrinking drive's free space?

Occasionally I come across programs that write files that are "0 byte" long during writes, according to the file-system, but the write shrinks the drive's reported free space. Example programs are ...
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1answer
42 views

DVD files not appear in file manager both windows and os x

Many thanks for reading. I have a DVD - R containing a set of MRI images along with the viewer (GE MRI machine dvd write). In my effort to browse the DVD it appears empty in both Apple and Windows ...
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0answers
65 views

Missing files on preserved directories structure (osx)

I'm missing all files from a particular folder inside a partition. What I find odd is that all the folder structure remain intact, but it have 0KB. I've ls from shell to be sure it's not a finder ...
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2answers
34 views

Accessing partitions between Ubuntu and Fedora

I installed a dual boot with Fedora 19 and Ubuntu 13.10 in the same machine. I am able to mount the other partitions from both of the OSs. I'm planning to use all the unzipped applications in Fedora ...
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0answers
591 views

Cheaper alternative to ZFS Storage for a home NAS

I'm looking to build a NAS for home use with 8-10*(2-4TB) drives, out of which 2-3 drives would be used for parity via software RAID. In the past years and up to date, ZFS seems to have become the ...