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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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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Can I use the new ReFS file system on Windows 8?

Windows Server 2012 comes with the new File System ReFS, which is Microsoft's upgrade to NTFS. Is there any way to use this for my Windows 8 partition?
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Is Windows 8 able to read partitions formatted with the ReFS filesystem?

Does Windows 8 read ReFS? Is there a patch available or plans to add support? My question is motivated by my desire to switch to ReFS due to the better benchmarks but I am hesitant as it may render ...
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2answers
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How to call perl file every minute from batch file

I have written a perl script which i try to call every 1 minute from a batch file. There is no error but it do not call it every 1 minute. It just pop command prompt when clicked once on .bat file. ...
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Format a drive to show larger size

How would I format a drive so the filesystem shows a size that I tell it to instead of how much it actually has? If I can't do it with the filesystem how do the scammers that sell them do it?? Like ...
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1answer
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scp No such file or directory

I've a confusing question for which superuser doesn't seem to have a good answer, and neither google. I'm trying to scp a file from a remote server to my local machine. The command is this scp ...
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SSD seems to be read-only, nothing can be written to it (linux ext4 filesystem)

After two week of normal use my new SSD began to work strange. Now it seems that no file is written to it. An example: root@hooker3:~# mount |grep ssdhome /dev/sda3 on /ssdhome type ext4 ...
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VirtualBox Debian add size to root filesystem

I have problem with my VirtualBox Debian system, which run out of memory. I can't start mysql any more and I can't work with it. mysqld: Error writing file '/usr/local/mysql/data/debian.pid' ...
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2answers
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Is exFAT now the best choice for an external hard drive that will be used for Windows, Mac, and Linux? [duplicate]

I'm running a Windows, Mac, Linux tripleboot off of a single SSD, and am now, unsurprisingly, in need of additional storage space in the form of an external hard drive. I want to format my hard drive ...
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8answers
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Cross-platform file system

I would like my external drives to be readable and writable from Linux, Mac OS X and Windows. FAT32 works, but the 4 GB file size limit is a showstopper these days. Are there any alternatives?
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Is it best to reformat the hard drive to exFAT using 512kb chunk, or smaller or bigger chunks?

I can reformat a brand new 2TB WD Passport drive to exFAT, with choice of many "Allocation Unit Size": 128kb 256kb 512kb 1024kb 4096kb 16384kb 32768kb which one is best if this drive is mainly used ...
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2answers
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NTFS MAC Times in Hexadecimal

I am using EnCase and a Hex Editor to analyse a virtual drive. EnCase says that the this hexadecimal: 5FBF60C54F2CCF01 is the date/time (mm/dd/yy): 02/17/14 09:18:54 (PM) I have worked out ...
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2answers
10k views

Why do file URLs start with 3 slashes?

HTTP starts with two slashes. E.g. http://example.com. Same goes for FTP. E.g. ftp://example.com. However, file "URLs" start with three slahes. E.g. Reading a pdf file using chrome, the URL would be ...
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0answers
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How do I get the access date for millions of files on an LSF file system without using stat?

How do I get the access date for millions of files on an LSF file system without using stat? I want to avoid using stat, because it's apparently not a good thing to query about metadata this way. None ...
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1answer
25 views

nodejs and npm will not work on existing project directory

So, the issue here is that I installed the Node.JS on c:/app/nodejs while my projects are under c:/app/www. I tried to use a dynamic symlink of www inside /nodejs, but it did not work out. I also ...
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2answers
55 views

My USB has my stuff in it but it says it's empty [duplicate]

Yesterday my USB was working 100% fine before I went to college yesterday. I added some new files to it, took it to school, plugged it into my teacher's computer, and nothing shows up. It says it's ...
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5answers
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Which linux filesystem works best with SSD

From wiki: The vital TRIM function is supported by the Linux OS starting with 2.6.33 kernel (available early 2010). However, support amongst various filesystems is still inconsistent or not ...
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1answer
20 views

Why doesn't /tmp get emptied when symlinked?

I symlinked /tmp to a second hard drive (the root partition is on an SSD and I want to avoid wear). Ever since then, it doesn't get emptied on a reboot. Any idea why? I use Ubuntu 14.10.
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3answers
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RAID-like filesystem for heterogeneous set of hard disks

During the last years I have accumulated a quite heterogeneous set of hard disks of different sizes and speeds for storing my private data. I'm planning to put them in a self build Linux filer to ...
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2answers
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tag structured Filesystems

I hope this is the correct site, I lose my way between the 4 sister sites :) Let me ask the question this way. all file systems I have seen before are hierarchical, that means a root directory, with ...
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9answers
35k views

How can you see the actual hard link by ls?

I run ln /a/A /b/B I would like to see at the folder a where the file A points to by ls.
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3answers
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Are there any negative effects of disabling the Last Access timestamp?

In Windows, you can disable the last accessed timestamp by setting NtfsDisableLastAccessUpdate to 1, for instance by executing this from the command line (the computer must be restarted before it ...
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1answer
33 views

How to delete a particular line in a text file after some operation on that text file at the same time

I am perl bginner (but i guess logic is same for all programming languages like C++ and C in my case its perl). What i want to achieve ? I have a text file i read that file which contains different ...
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2answers
234 views

How do I preserve date and time when moving single files?

How can I preserve the date and time information when I move files to another disk drive? I would like to preserve the last modified date and time, and also the creation date and time. I want to ...
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1answer
25 views

Is there a way to create a /dev/clipboard like in Cygwin?

This answer says, that Cygwin features a /dev/clipboard device, that's in sync with the default Windows clipboard. Is there any way to have that same feature in Linux for the Primary clipboard? ...
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2answers
37 views

Unmount/unbind a filesystem? Can I just use `rm`?

I used this to give a chrooted ftp user access to another area of the filesystem: mount --bind /var/www/dev/ /home/ftp_user/www_dev per this website here. And, oops, I realized I gave the ftp user ...
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4answers
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The opposite of mount -o loop: can I read a block device as a regular file?

I'm trying to back up an LVM volume using Duplicity (note: not just the file contents of the volume, but the actual volume itself, byte-for-byte). The best way I've so far found is to dd all the data ...
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3answers
10k views

what appropriate “Allocation Unit Size” for an exFAT SD card with ReadyBoost

I've brought an 4GB SD card and I'm dedicating it for use by ReadyBoost (on Windows7) Im looking to get the most profit on performance, so i've formatted it with exFAT (as recommended by Microsoft) ...
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2answers
37 views

How to install/start a service with a different user? [closed]

I'm working in a program that is installed using root user and now for security reasons we need to install the service using the user xpto (for example) and start the service using the user xpto also. ...
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1answer
17 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
3k views

NFS: too many levels of symbolic links. How to find and fix?

wim@wim-desktop:/media/data/dots/manouche$ ls > /dev/null ls: reading directory .: Too many levels of symbolic links wim@wim-desktop:/media/data/dots/manouche$ find . -type l -exec ls -l {} \; ...
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moving a remote folder within the same volume as part of a transaction

A program that I am developing needs to update a SQL Server database and then move 1 or more network folders, each one on a different server - but each one moving within the same volume where it is ...
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When try to copy disc it show Desktop.ini and data gone

i'm trying to copy disc but whenever i click 'copy' on Nero program. The program eject my disc and appear the error that my CD is balnk, actually my CD is CD-R and there is a lot of data. Then i ...
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4answers
6k views

Directory vs. Folder

Are both names synonyms or should one prefer one name over the other on different platforms?
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2answers
21k views

mount gives unknown filesystem type 'vboxsf'

I'm getting an error message mount: unknown filesystem type 'vboxsf' when trying to mount a shared folder on my guest Ubuntu machine. I have a Windows 7 machine running 4.1.22V Oracle VM VirtualBox. ...
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0answers
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How do I create a ramdisk that writes changes back to persistent storage, e.g. with aufs?

Similar to this question, but more specific: I want a ramdisk / tmpfs that sits on top of a physical directory, exposing data of that directory. The ramdisk should persistently cache all data on ...
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3answers
960 views

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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2answers
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Convention for file extension convention: uppercase or lowercase

Is there a convention for the case of the file extension in Windows, i.e. all uppercase vs. all lowercase? If there is, what is the reason, if any, for the convention, or is it just for the purposes ...
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2answers
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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
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Organizing documents in a big hierarchy

I'm on a task of organizing documents ( like images, .docs, etc ) of all kinds of knowledge in life in such a way that i can later quickly access each category of knowledge and its documents. I ...
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how to find out real data usage of C drive in windows 8.1

[SOLUTION: Thank you guys, finally i recover my disk space by disabling "hibernate" of windows 8.1, i do not need the hibernate cache, since my OS disk is a SSD, should be faster enough for a refresh ...
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fdisk shows cylinder while formating eMMC of BBB

I have repartitioned the eMMC of Beaglebone Black but when I partitioned eMMC with fdisk(busybox) It asked me the starting cylinder instead of starting block. I selected the default option and ...
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2answers
30 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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3answers
14k views

Does deleting temporary files really speed up your computer? (Windows)

You've most certainly read it on the internet, and you may have even heard other supposedly computer-savvy people suggest that deleting temporary files speeds up your (Windows) computer. But how does ...
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Bind Mounting across different file systems [migrated]

Does the command mount -o bind allow mounting a folder from a different file system (vfat, ntfs) to a folder in Linux native partition?
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1answer
34 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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2answers
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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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2answers
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What is OS-level block?

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
289 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
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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 ...