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 OS-level block? [closed]

From this question on StackOverflow: …an OS can still chain multiple blocks/sector into a single logical OS-level block to reduce space. E.g. "every 3 real blocks/sectors on the drive will be ...
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1answer
372 views

partitioning and subvol strategy with btrfs

I'm new to btrfs and I'd like some advice on partitioning and subvolume strategy. The system is a light-duty web server, and assume it only has a single disk. With ext filesystems, I've always ...
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1answer
46 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
50 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
85 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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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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22 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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41 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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2answers
901 views

dynamiclinkmediaserver folder in ~/Documents from Lightroom

Every time I view a video in Lightroom 4, it creates an empty folder in ~/Documents called "Adobe" with the folder "dynamiclinkmediaserver" inside. This is very annoying because I would like to keep ...
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0answers
69 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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40 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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1answer
140 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 ...
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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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1answer
87 views

Hard drive failed, suspected filesystem corruption, still cannot salvage any data from harddrive

Firstly, I am terribly sorry if this is a duplicate, but I couldn't find a similar issue to mine, so here goes. I have a 1TB hdd bought around 8 months ago used as backup hard drive. I have not used ...
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1answer
293 views

Recover data from a Samsung DVD recorder's hard drive

I have a Samsung DVD recorder: I want to recover data from its hard disk. I need to buy a SATA-to-USB adapter and connect the hard drive to power then to USB and mount it on my PC. I have done data ...
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5answers
38k views

Copy entire file system hierarchy from one drive to another

I would like to copy the entire file system hierarchy from one drive to another..i.e contents of each directory as well as regular files in Linux platform. Would be gratefull to know the best way to ...
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1answer
3k views

Canot format MicroSD. File system is read-only

I formatted it for my special needs some time ago using fdisk. Don't remember the partition table, but there was 1 fat32 and 1 ext4 partition. Now I want to format it fat32 clean, but I get the ...
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1answer
69 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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2answers
38 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 ...
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1answer
168 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
43 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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21k views

What is the extension of a folder in Windows?

Windows recognizes files using extensions. Does same applies to folders? Is there a special extension that mark a file as a folder?
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1answer
591 views

Can't access drive letter after successful network share mapping on Windows 8

I am trying to map a network share to a drive letter persistently on Windows 8.1 (\server\pictures to W:) and after it succeeds, it is not visible in File Explorer nor can I access it by entering the ...
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1answer
27 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.
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1answer
48 views

I have specific files to install that I have downloaded. Is there a standard practice for location(s)? [closed]

I just downloaded "processing" for my linux box (ubuntu 14.04), however It was a tarball, but I couldn't run configure on it. The installation instructions, found here just say to extract the files ...
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23 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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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
38 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
31 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
114 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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1answer
130 views

Zero inodes even after formatting hard disk

I have an external 1Tb harddisk which due to some reason was showing following under df -i Filesystem Inodes IUsed IFree IUse% Mounted on /dev/sdb1 0 0 0 - ...
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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 ...
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2answers
2k views

Mounting FTP as filesystem in debian using curlftpfs

I am trying to mount a FTP as filesystem in debian using curlftpfs. What I get after running curlftpfs -o allow_other username:password@ftp.server.com /mnt/myftp/ is just: fuse: failed to open ...
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1answer
9 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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2answers
362 views

e2image restore file system metadata

I'm trying to recreate file system metadata on a virtual disk. I can save this metadata using e2image, and the e2image man page tells me I can use e2image -I to restore the file system. Unfortunately, ...
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1answer
19 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 ...
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1answer
14 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
51 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 ...
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6answers
3k views

How can I copy my (Ubuntu 9.04) Linux filesystem to another computer?

I have spent a lot of time configuring my computer: shell scripts, path definitions, video settings, as well as lots of programs. The disk is ext3 formatted. I would like to 1) move everything ...
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1answer
4k views

What does the + mean in the output of “ls -l”?

ls -l -rwxr-xr-x 1 root root 885 2010-07-08 13:55 /etc/backup-number-of-files* -rwxrwxr-x+ 1 levchuk Users 1067 2010-08-30 14:37 /etc/backup-running-time* Please notice the + on the 2nd ...
85
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2answers
119k views

Easy way to find out which process is locking a file or folder in Windows? [duplicate]

Possible Duplicate: How do I delete a ‘locked’ file? How can I find out which process is locking a file or folder in Windows? For instance if you are trying to delete a folder ...
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2answers
3k views

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
5k views

Change GPT partition file system type with parted

When I created my GPT partitions using parted, I was using ext2 file system type perviously: $ parted /dev/sdc print | grep ^12 12 961GB 1118GB 157GB ext2 msftdata Now I ...
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3answers
1k views

Does this exist: a standardized way of documenting a file-system structure

At work, I'm in charge of maintaining the organization of a whole lot of varied data on a standard file-system. Part of this is coming up with sensible classification (by similarity, need, read/write ...
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2answers
689 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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2answers
2k views

Windows Hostname From File System

How can I determine the hostname of a Windows (XP) computer from files alone? I have a full backup of several hard drives, but I'm not sure which one is which.
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2answers
112 views

Files Larger Than 4GB Are Not Transferring To Hard Drive?

Moving things from my laptop to a 1TB hard drive. Stops at any file larger than 4GB saying that that there isn't enough space on the hard drive. I checked the formatting on my hard drive and it is ...
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1answer
135 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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1answer
28 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 ...
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1answer
33 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 ...