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 to find out real data usage of C drive in windows 8.1 [duplicate]

I have a wired issue as in below screen shot. from within C drive, select everything and view from properties, total is around 40GB. however, if i view from "This PC", suppose to see 60GB free, but ...
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2answers
30 views

How do I delete files that are locked when no other app can delete them?

So I found out that I had a Trojan on my external hard drive. My anti-virus app killed it, but it has created a bunch of random files on my computer which cannot be deleted. These are image files. ...
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1answer
85 views

Windows path substitution

Is there a command for Windows 7 and Windows Server 2012 R2 where you can perform a file system path substitution? I have a SQL server database that has the following file paths hard coded: ...
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1answer
64 views

What determines the page size and the cluster size?

Is the size of a memory page determined by the RAM itself, or by the OS? I.e., is the page size for a RAM the same for all OSes which use the RAM? Is the size of a cluster of a file system determined ...
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1answer
91 views

Are the size of a memory page and the size of a file system cluster always the same?

From http://en.wikipedia.org/wiki/Page_%28computer_memory%29 A page, memory page, or virtual page is a fixed-length contiguous block of virtual memory, described by a single entry in the page ...
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19 views

How to suspend and resume disk writes on a aufs mountpoint

I have a mountpoint with a type of aufs. I need to suspend disk writes, "take a snapshot", and then let the applications write to the mountpoint. Is there a way to achieve this ability? This issue is ...
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0answers
48 views

.ico File not deletable on Win7 x64,why?

I have a computer running WIndows 7 x64, and I recently noticed that Files with an extension .ico on USB sticks cannot be deleted. I then tried the same on another PC, and the .ico file was properly ...
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0answers
25 views

Files in $HOME losing executable bit

On my laptop running Arch, I have a bunch of git repositories cloned under ~/git. My problem is that from time to time (maybe once in a month or so), all the executable files inside the clones will ...
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0answers
111 views

Allow rwx to XFS filesystem on OpenSuSE 13.2

openSuSE 13.2 boasts new BtrFS as it's default File System. I have 3 Hard drives: /dev/sda [BtrFS] /dev/sda1 /dev/sda2 /dev/sda3 /dev/sdb [XFS] /dev/sdb1 /dev/sdc [XFS] /dev/sdc1 Where ...
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1answer
459 views

Finding files with BTRFS Uncorrectable Errors

I have a question concerning unrecoverable errors on a BTRFS file system. Specifically, I've run a BTRFS Scrub recently after experiencing a problem with one of my RAM sticks and it seems to have ...
0
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1answer
105 views

BTRFS filesystem, compression and copy on write

I'm planning about moving from etx4 to BTRFS filesystem on my pc and backup server. I'm very interested in the BTRFS snapshot feature (I have understood it uses the copy on write feature) and the ...
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3answers
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How to lock a file in Windows?

Is there a way to lock a file with in-house means so it can't be deleted or overwritten? For testing of copy scripts I need to lock files temporarily to check the error handling in the scripts. Till ...
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0answers
24 views

If I install a Linux VM, will I be able to work with ext filesystems from my Mac?

I'm working from a Mac and need to edit a few lines on a Linux partition. (I need to enable SSH on Raspbian for a Raspberry Pi, but I need to do so effectively headless – I don't have any peripherals ...
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2answers
34 views

Copy files with extension - search subfolders

Copying ttf files from one folder to another using wildcard "**/*ttf", however this is not searching the files in sub-folders as well. How can I copy all the files (present in sub-folders as well) ...
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2answers
69 views

Remove GPT filesystem on USB

I have an old 8GB USB stick with a GPT filesystem hanging around. I'd like to move it to a more familiar fs, as NTFS or FAT32, but the usual mkfs doesn't seem to work since there is no /dev/sdb1 (as ...
2
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1answer
561 views

mounted filesystem without journal. Opts: (null) while mounting ext4 fs

I am using Beaglebone black with NFS, I have formatted internal eMMC with ext4 filesystem, when i mount the file system using following command message popups telling filesystem is mounted without ...
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1answer
68 views

How optimize copy and paste process for windows?

When user ot program copy a large file on the same physical disk windows do the following algorith: 1. Read a piece of data from disk. 2. Write a piece of data to disk. 3. Do points 1. and 2. until ...
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2answers
351 views

Can a file system's logical structure (including symlink targets) be represented in a single lightweight file (non-binary)?

After playing with multiple SQL and NoSQL databases over the years I feel the best way for me to ensure portability in my personal apps that are data-centric is to avoid all bonafide databases ...
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1answer
87 views

In Vim, netrw mistakenly thinks file.py is a directory

Using netrw in Vim, I navigate to a Python script I want to edit (file.py), but most of the time it is listed as "file.py/" with a slash, indicating it is a directory. This is impossible to open. If I ...
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1answer
34 views

Filesize difference - CMD & Explorer

When I'm doing a dir of a folder (in CMD) and I look at the filesize, it difference from the filesize that Windows Explorer is giving me (in the detailed view). Is this normal behaviour? Thank you.
2
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1answer
45 views

Windows Explorer or filesystem not accessible by apps after some uptime

I am running Windows 7 and after an unknown amount of uptime Firefox, Google Chrome and other apps are not able to access the filesystem anymore until I restart the apps. Whats happening is the ...
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0answers
73 views

Make a specific program see the file-system differently on Windows

I'm using Winamp since god knows when. I have all my songs in the media library with all my mp3 files with all kind of cool statistics like how many times I've listened to each song, ratings etc. The ...
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0answers
24 views

Giant Swap File fills hard drive to capacity

Today I had a most odd experience on our student computing server. Suddenly, you could not save a file and you got a "file system full" message. So I did a du -sh on all user directories to see what ...
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18 views

BTRFS & F2FS userspace utilites cross compilation

Is there any weblink/document which describes the steps to cross-compile btrfs & F2fs user space utilities ? Any steps ? special tuning suggestion for arm based board.(AM335x) ?
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1answer
52 views

Why can't I turn a folder into a file in Windows?

Every time I need to create a text file in Windows I usually right-click inside a folder and select for any option from shortcut to a zip file and rename it's extension to ".txt" (I know that some of ...
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2answers
63 views

Mysterious folders and files with symbol names on Windows 7

I opened a thumbnail drive last evening and noticed that there were several files and folders with symbolic names (not alpha-numeric) added to it. The Date modified was also a curiosity. I have run ...
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1answer
398 views

linux: rm of file as root fails with EPERM (Operation not permitted)

I am logged in as root # whoami root I have a file # ls -l /usr/share/applications/google-chrome.desktop -rw-r--r-- 1 root root 8424 Dec 3 10:29 /usr/share/applications/google-chrome.desktop It ...
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0answers
6 views

Access windows directories from Ubuntu 12.04 that runs on VMware. without file sharing

I'm was wondering if its possible for me to reach my local file system (windows) from inside my VMware which runs Ubuntu 12.04. As mentioned in the title I would like to achieve this without sharing ...
1
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1answer
11 views

Video files show incorrect video

I had a drive fail a while back. While it was failing, I made a back up to another drive. Now when I try to access those files (they are video files), the video played is a segment from another video ...
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1answer
22 views

Creation date of zip file

Is there any way how can I get creation date of zip file which is stored on server? Or even better when the file was uploaded on server? I do not have access to the server disk, I can only download ...
0
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1answer
29 views

Can I use something like Mac 'alias' inside Dropbox, so that I only need one copy of each file?

I have a large image collection, and sometimes an image fits into multiple categories: location, picture of my sister, etc. So, I have the SAME image in multiple folders based on these categories. ...
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1answer
20 views

How to touch a file if another file changes

I'm looking for something like an event listener on the file system. I want to touch a file (restart.txt to signal Phsuion Passenger to restart) everytime I save another file. Does anyone know how to ...
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1answer
134 views

Media file won't play from the flash drive, playing from HD

I have a number of media files (avi, mp4) which are working properly and can be played on my PC. (Windows 8) However when I copy the files to a flash drive (exFAT, fresh formatted) just a few can be ...
4
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2answers
755 views

moving files from one location to another while they are being used

Today I tried to move my Microsoft Word document file from one place to another when it was open in Microsoft Word. But then it said it is unable to move since it is open in Microsoft Word. Similarly ...
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1answer
48 views

NAS and Linux filing system

I'm thinking about making a NAS for my home network and hosting it on a Linux machine, but I was thinking: Since Linux has different file naming limitations than Windows, what will happen when I host ...
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1answer
43 views

find command + remove older directories according to directory time stamp

I want to delete directories that older than 180 days for example directories that older than 180 days: drwxr-xr-x 2 root root 4096 Oct 1 2009 nis drwxr-xr-x 3 root root 4096 Nov 4 2012 pkgs ...
6
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1answer
152 views

In Windows, why does pressing F5 twice give hugely different results?

Say you have a running process writing to a file, over an amount of time. In the explorer process, highlighting that file will show the "current size". Subsequent F5 keypresses will update the current ...
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0answers
20 views

/usr/local and /usr/share detailed explanation

I am afraid this is another of FHS questions but I was not able to find more detailed explanation which I feel I need. Yeah, I know about Uni FHS and etc, but what still feels like lacking ...
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0answers
17 views

How do I use chunkfs?

I have the same question basically as ( Mountable filesystem that automatically splits files ) and one of the answers(http://superuser.com/a/735013/390402) suggests using ChunkFS but for the life of ...
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0answers
122 views

USB flash drive keeps activating 'write protection' by itself. Disarms after unsafe removal

Drive history My 16gb Kingston USB flash drive has been consistently giving problems. Under Windows XP it kept saying 'This storage media is write protected' after copying over approximately ...
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0answers
36 views

Writing data to a NTFS partition while Windows 7 is hibernating

According to this MountingWindowsPartitions if you write from linux to a NTFS partition while Windows 7 is hibernating, when Windows 7 awakes all changes are lost. The justification is: when ...
0
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1answer
41 views

Is XFS a distributed file system or a journaling file system?

Is XFS a distributed file system or a journaling file system? In Wikipedia it says that XFS is a journaling file system.But in the Berkeley website they mentioned that it is a serverless file ...
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1answer
25 views

Mounting /dev/sda on / and /dev/sdc on /usr

I want to know why you can do that kind of things? Why can you mount /dev/sda on / and /dev/sdc on /usr? Why don’t directory contents collide between /usr of /dev/sda and /usr of /dev/sdc? It ...
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0answers
84 views

What could cause the files to be replaced with null bytes, size and timestamp not modified?

Something has malformed a bunch of files on my hard drive. The malformed files: have theirs content replaced with NULL bytes, are exactly the same size as before the malform happen, modification ...
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2answers
173 views

Any limitation for having many files in a directory in Mac OS X?

I have 100,000+ files in a directory in my MacOS X and looks it is slow for my script to read a file in them. Is there any limitation or recommendation to have that many files? Should I split them ...
2
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1answer
186 views

Why can't copying files regardless of file size have a complexity of 1? [closed]

If the file system of a computer always seems to represent a tree I assumed it it had to be made with some sort of tree data structure. So if it is a tree data structure why can't it be as simple of ...
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1answer
29 views

How to set up mass executable file permission to all my scripts?

PROBLEM I have new servers and copied lot of files with these conditions: lot of files different suffix lost permissions among them there are other files now I need to set up all and only ...
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1answer
64 views

How to count the number of times a file/directory has been opened?

I'm trying to find the number of times a file has been opened (since the OS inception). I'm thinking of doing this via stat, but most flags only return the difference between the LAST time it was ...
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0answers
189 views

Unable to launch an instance: Can't find ext4 filesystem openstack?

I have followed installation guide from this link http://docs.openstack.org/icehouse/install-guide/install/apt/content/nova-compute.html I have successfully configured 3 nodes controller, compute and ...
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0answers
44 views

How to move files on a filesystem remotely without downloading and then uploading the content on the client?

I have a home server box set up running Windows 7 that is usually managed remotely (either from the local network or an external network) and there are often times that there is a requirement to be ...