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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56
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1answer
3k views

Windows File is ludicrously huge and I cannot unzip it

I use an online file backup service (Backblaze) and recently got a new computer. Several files on my old computer were too large to move via my usb drive so I decided to download them from my backup ...
1
vote
0answers
21 views

Issue: Guest OS (Debian 3.0, 32-bit ) loads with read-only file system immediately upon booting in VMware Workstation 10 (Host OS: Windows 7, 32-bit)

Issue Summary: A guest 32-bit Debian 3.0 virtual machine is opened using VMware. The guest OS loads a read-only file system on startup. Despite root access no file changes can be made to the virtual ...
0
votes
1answer
24 views

Is mounting a filesystem as read-only enough to prevent FS/data corruption in case of power loss?

I have a home-made HTPC setup. I often plug and unplug USB drives on it. I was wondering whether just unplugging these drives without umounting them first would be alright considering that they are ...
0
votes
1answer
36 views

Why have a single partition on an external hard drive?

I have several external hard drives that I've formatted (in ext4) without creating a partition table and a partition first. I formatted the raw block devices, and they work fine. I only want one ...
1
vote
1answer
55 views

Got a new hard drive and would like to setup file system [on hold]

I just finished assembling a new computer. I installed Windows 7 on my 250GB SSD, and everything is working fine. I've now plugged a 1TB HDD, and formatted it to allow windows to place files on it. ...
0
votes
0answers
195 views

Windows can't read certain files I copy to my thecus N4100 NAS

I have a strange issue here. I copy some files to a Thecus N4100 NAS from Windows. I can read the files on Windows before I copy them, but then I cannot read them from the NAS anymore. That is to say ...
1
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1answer
16 views

Did I accidentally corrupt the filesystem using VIM and Netrw?

I am using Mac OS X. I accidentally did the following: vim /path/to/directory I meant to open a file, but instead I opened a directory. VIM was excessively helpful, so it opened Netrw. I did not ...
0
votes
1answer
18 views

Why does process read Offset/Length from C: drive?

Below is a clip of SysInternals Filemon in action. What I don't understand is why various processes are reading the C: drive at an offset, rather than reading specific files. I have noticed ...
0
votes
0answers
25 views

Does this idea of a distributed filesystem already exists?

I have two laptops and two desktops, and keeping their files in sync is getting frustrating. I have an idea of what would make me happy but, before I code it myself, I decided to ask if this already ...
47
votes
5answers
8k views

Directory vs. Folder

Are both names synonyms or should one prefer one name over the other on different platforms?
3
votes
3answers
6k views

List of recently changed files for a directory and all subdirectories

In Linux I know this command to find and list the latest modified files in a directory with all its subdirectories. find /var/www/ -type f -exec stat --format '%Y :%y %n' {} \; | sort -nr | cut -d: ...
0
votes
0answers
7 views

How to apply a snapshot of root filesystem which is BTRFS?

I have a snapshot of the root filesystem. The following is the output of my btrfs subvolume list / command : ID 257 gen 90 top level 5 path root ID 258 gen 91 top level 5 path home ID 263 gen 44 top ...
0
votes
1answer
16 views

How to add an additional drive to an existing ZFS RAIDZ-1 in Proxmox?

I've a ZFS installation in Proxmox, in particular a RAIDZ-1 file system, for testing purposes (before going on production with this setup) I've added a new drive to the machine, but I'm blocked on ...
-1
votes
1answer
48 views

How accurate is content sniffing in order to determine filetype?

I need to identify the mime-type of extensionless files(document fileformats such as PDF, doc, docx etc), and I am wondering how accurate known file-signatures are? What I will do is to create a map ...
0
votes
1answer
37 views

What exactly is a Linux filesystem? [closed]

I am having trouble understanding exactly what a Linux filesystem is. I understand it is the "directory" of files and folders located on the system: like /bin, /sbin, /etc, /opt, and so on. However, I ...
0
votes
0answers
12 views

Software for easy detection and storing name of the process, that created file or folder?

Is there any program that can show me in Windows Explorer what process has created some folders or files? It would be great to see not only file name, size, modification date and etc. but also name of ...
6
votes
1answer
11k views

fstab: When do you use the “dump” and “fsck” options?

I found a great tutorial on how to use fstab: http://www.tuxfiles.org/linuxhelp/fstab.html Using this tutorial, I was able to successfully get my SIMPLE mounting needs working. But during the ...
-1
votes
0answers
11 views
0
votes
1answer
12 views

How to view all directories with auditing enabled on Windows 7?

A while back I enabled file auditing on a few folders on my Windows 7 machine, but I have forgotten which folders I enabled it on. Is there any way to view a list of all the folders which have at ...
0
votes
0answers
12 views

why would openat() use file descriptor decremented by 1

I am tracing open() and openat() Linux system calls using a library that I load with LD_PRELOAD=.... I have a process that descends down a directory path. It does open() on a directory, which ...
1
vote
1answer
54 views

Cannot delete file on Linux

After backuping with 'rsync --archive --update' my home directory from ext4 to btrfs, rsync reports errors like this: rsync: ...
1
vote
1answer
50 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 ...
0
votes
0answers
11 views

Creating a fault tolerant system using AUFS

I wish to create a system resistant to upgrade faults. On detection of a fault, the system should revert back to its previous commit. Is it possible to use AUFS to do this ?
2
votes
1answer
109 views

Source path too long - BUT IT NEVER USED TO BE

I am getting the following error while trying to copy backed up data from my external hard drive to my desktop: The source filename(s) are longer than is supported by the file system. Try moving ...
0
votes
0answers
24 views

Reducing the number of files per folder in a cache [on hold]

Is there any benefit to using this structure: /cache/e/4/e459f7cdd488b7a49a6dac69804ba87f /cache/5/8/58efa1b269054944fb0152ca18fa06bd /cache/6/a/6a75725d2ac6aac578c6dfabdcfbb814 ...
0
votes
3answers
39 views

Why is a folder name different to its name in the file path?

I'm having a surprising amount of difficulty searching for an answer to this seemingly simple question. I came across an article on MSDN titled "Naming Files, Paths, and Namespaces", which whilst ...
0
votes
1answer
19 views

Read a file locked by another program

I have a program that reads a file written by another program, but that software locks the file while writing to it (I cannot even copy the file!). How can I read the file while the other program has ...
-4
votes
3answers
85 views

Why copying takes time across partitions on the same disk? [duplicate]

This is a possible duplicate of Moving files from one partition to another on an SSD When I copy files from C:\...\Downloads\ to C:\...\Desktop\ it happens instantly, but if I copy the same file ...
1
vote
3answers
17 views

Change File Attribute in windows

I have basically two images : 1. one with jpeg and file "attributes" as 'N' as seen below : Now i m trying to create image with same property but whenever i create new image or edit the same image ...
1
vote
1answer
29 views

understanding Stats on folder in Linux

This is my stat output on a folder stat Downloads/ File: `Downloads/' Size: 4096 Blocks: 8 IO Block: 4096 directory Device: fd02h/64770d Inode: 259595 Links: 3 What does it ...
1
vote
0answers
27 views

Creating a large windows file system [closed]

I need to create a large windows file system - around the 500TB - 1000TB size. Primary use is for archival storage, performance is not a major design factor. We are a very small admin team so ...
22
votes
2answers
2k views

Is there a git-like file system?

Git stores content uniquely in its repo based on the calculated hash of any file. If my directory has two copies of the same file somewhere inside it, git will only actually store it once. I am ...
0
votes
2answers
36 views

Windows Batch file get filesystem info without elevated priveledges

I have a batch file that needs to check the filesystem and choose options for a program it's running based on the filesystem (which could be NTFS or FAT32 in this environment). For Windows systems I ...
1
vote
2answers
30 views

Ext3 drive empty and detected as ext2 after restoring superblock with e2fsck

I have an ext3 disk from my NAS. I took this drive out of the NAS and mounted it under my Debian Wheezy system. When I ran fsck it told me that the superblock was bad. I don't haver a full log, but ...
2
votes
1answer
4k views

How to protect files/folders from being copied/moved/deleted/cut on Windows

I need to share data on an external drive that will be handed over to someone else, and I would like to achieve the following: protect all the files and folders from being copied/moved/deleted/cut ...
3
votes
3answers
766 views

Copying files across hard discs while keeping the original file date?

I copy a lot of files (entire folder hierarchies) from one hard disk to another, or from one SD card to another. The copied files all get the same date (the date when I copied). The original date of ...
0
votes
0answers
25 views

How is a file loaded in the FAT file system? [migrated]

I am developing a bootloader in x86 Assembly and I have a question about the FAT file system. Which steps are necessary to find and load the file?
1
vote
0answers
36 views

Force check all file systems in Ubuntu

How to force check all file systems under Linux/Ubuntu? My newly installed Ubuntu 15.04 Vivid stops booting after the suspend/resume failed. Is there any easy way to force check all the file systems ...
2
votes
3answers
342 views

Copied directory appears to become larger at destination

I have the following code as part of a shell script: while [ $(ps -ef | awk '{print $2}' | grep -F "$CPPID") ]; do sleep 10 awk -v "usbsize=$(/bin/df | grep -F $DEVICEMOUNTPOINTQ | awk ...
0
votes
0answers
24 views

Mount drive as NTFS folder vs junction link

Is mounting an drive as NTFS folder same kind of link as doing a directory junction with mklink /j linkname targetpath? The reason im asking this is because we are having problems with NTFS mounted ...
1
vote
0answers
14 views

Add new partition to CentOS file system

I use a CentOS virtual machine on VMWare Workstation. I recently tried to increase the system hard disk memory for CentOS by tweaking the VM settings on VMWare Workstation. After that, I tried to ...
0
votes
2answers
45 views

Cannot remove directory on btrfs

There is an object on btrfs file system called "????????? ??????" which probably some improperly deleted or copied temporary file or directory. And which can't be removed with common commands: rm, rm ...
3
votes
2answers
4k views

'Could not find this item' error message on new hard drive

I have recently put a new hard drive in my laptop, and rebuilt my laptop from scratch, and now I get the following messages anytime that I try to create a file/folder or copy files/folders onto ...
0
votes
0answers
40 views

In Unix, delete a file listed in the directory but missing from the filesystem

I, like an idiot, killed my rm -rf command in the middle of it, and now there's one file remaining, but it keeps saying access is denied. I assumed it was because a process was accessing it, but when ...
1
vote
0answers
35 views

BTRFS size on disk 200x larger than actual size

Why is BTRFS so grossly misquoting the size of small files on my filesystem? [pi@rpi scipy]% cat __init__.py | wc -c # literal byte count 4729 [pi@rpi scipy]% du --apparent-size -h ...
7
votes
2answers
988 views

Differences of aufs, unionfs and overlayfs from each other

I have to join two file systems, one read-only (squashfs) and one read-write (ext4). My plan is to mount the read-write filesystem over the read-only flesystem so it appears writable. When I make some ...
1
vote
1answer
57 views

Is windows chdsk enough or there are better alternatives to recover filesystem?

Recently I have various problems of file corruption on Windows 8.1 x64 when I copy large files. Using HD Tune Utility apparently there is no hardware problem the already present files are fine too, ...
0
votes
1answer
25 views

Difference in folder size between properties and du -s

I run RHEL 6.6. When look at my home folder and run du -sh . it shows 7.2G whereas when I open it via the gui it shows only 6.3GB. I did reboot the machine just to be sure that no more file handles ...
8
votes
7answers
4k views

Any ideas why I'm getting a delay after clicking “Save as” or “Download” in Google Chrome

I'm running Google Chrome. When I do anything that'll save a file to my local filesystem - right-click and "Save As", click a download link, save an image - nothing happens for a good 20-30 seconds, ...
1
vote
1answer
24 views

CommandLineTools folder displayed in Finder but not in CLI OS 10.9.4

The finder browser shows CommandLineTools, xcode-select --print-path also shows the path, /Library/Developer/CommandLineTools/ but I cannot get to it using cd and ls doesn't show it inside of the ...