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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Mount sysv filesystem under Linux

I have a hard disk with a filesystem created by an old version of System V Unix that I would like to mount read-only on Linux. fdisk shows me: /dev/sda1 * 2048 86015 41984 63 ...
0
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1answer
19 views

Disk Space Changes with Command Used

Can anyone help me understand why I get different disk space results for /mnt/kvm_images depending on the command used? This is in Ubuntu 14.04. du gives this result: andrew@ubuntu:~$ sudo du -sh ...
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0answers
3 views

Running time of locating a file in a directory

When you search for a file in a directory with a large number of files (n), what is the worst case running time of locating this file? I mean does the OS (linux) sequentially check all filenames in ...
0
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1answer
12 views

NTFS permissions issue? Part of group which has access, but denied

My account is part of Domain Admins, which is part of local machines Administrators group. Such as: MYDOMAIN\Domain Admins, is added to MY-LOCAL-PC\Administrators I gave FULL CONTROL access to a ...
0
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2answers
32 views

Most files and all folders have read only permissions [duplicate]

I recently installed windows 7 64 bit on a SSD and now, it appears that all of my folders and most of my files are read only. I have tried to remove the read only aspect of them, or take ownership of ...
0
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0answers
5 views

XFS filesystem spanning drives and allocation group alignment

I have a query regarding creating an XFS filesystem on what is commonly incorrectly called a JBOD volume, that is, linear RAID or Spanning raid. I have two hard drives (1.5T and 2T) that I want to ...
0
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0answers
31 views

Make File appear like a Folder

So here's the scenario. My company's network has a "dropbox" (aka scratch drive) on the network which we can use to temporarily store our files. However, IT can choose to, on any given night, delete ...
0
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0answers
15 views

unable to write to micro sd card

My microSD card got writeprotected within my Raspberry. I dont know why. Everytime i boot up, it fails, because the root system is mounted readonly, or similar. I put the microSD card into my ...
0
votes
1answer
57 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 ...
6
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6answers
2k views

How do I refresh directory in BASH?

I have a directory, containing files generated by compiler. During each rebuild this directory gets cleaned and, after build process ls gives me empty output. After I cd out of directory and then back ...
1
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2answers
14 views

USER~1 in user folder

After executing cd %TEMP% i was taken to C:\Users\KRISWE~1\AppData\Local\Temp I have never seen the folder KRISWE~1 before, does anyone know what this is? It seems to be exactly identical to my ...
0
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0answers
9 views

New folders in ExifRenamer now have a dot ‘.’ in front of them making them invisible. How can I fix this?

I use ExifRenamer and somewhere, somehow I must have changed on my Macintosh—or in ExifRenamer—that the new folders should be named .2015 which makes them invisible. Could you help me fix this?
0
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1answer
30 views

Problems with using an external USB harddrive on android [closed]

I have an external USB harddrive, a 1Tb WD Passport (red), and decided to reformat it for use with both my windows PC and my android tablet. There have been some problems along the way that i've ...
0
votes
1answer
53 views

Hard disk keeps making noise even if not used [closed]

Since yesterday my secondary hard disk keeps making noise as if it were reading/writing even if it's unused. It happens regardless of the OS running (both windows7 and linux) and I'm sure it's not ...
1
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0answers
17 views

Is copying files between two different file systems slower than between the same file systems?

I was wondering if copying files between different file systems (for example from ext4 to ntfs) is slower than copying to the same file system (from ext4 to ext 4). I also would like to know how does ...
1
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0answers
33 views

Implementing folder “hardlinks” on NTFS

So if you rename a folder target, and lets say you have a bunch of junctions pointing to it, those junctions break. Hardlinks remedy this problem with files, but folders cannot be hardlinked. I hear ...
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0answers
10 views

How to snapshot and diff Windows registry and the the file system? [duplicate]

I'm solving the following problem - I'm installing software on Windows and it makes the system unstable for some reason. Windows starts crashing soon after. I want to know what changes it made to the ...
1
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0answers
14 views

Understanding metadata usage behavior in a newly converted btrfs filesystem

I have a 5 TB hard drive with 3.3 TiB (as reported by du) of media files in 119k files and directories; the average file size was about 28 MiB. I converted the ext4 partition into btrfs with ...
2
votes
1answer
31 views

Strange “Verizon Mobile” volume mounted on Mac OS X 10.10 (Yosemite)

After recently installing Mac OS X 10.10 (Yosemite), I find this Verizon Mobile volume mounted even though I don’t use Verizon at all (currently subscribed to AT&T) and never installed anything ...
0
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0answers
10 views

How to disallow a specific process from reading a specific file?

Is it possible to block a specific program/process from reading a specific file, supposing I know their exact paths? I know that it is possible to block internet acecss from a specific program, but ...
5
votes
6answers
4k views

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 ...
0
votes
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 ...
0
votes
1answer
37 views

Which copy of a corrupt windows system file should I replace?

I have about 10 files in my C:\Windows\winsxs folder that SFC reports are corrupt. I'm replacing them from another windows 7 /64b machine. But I see there are multiple copies of them. I ran sfc ...
0
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3answers
31 views

How to see a list of available filesystems that I can use for the mkfs command?

Simply I would like to create some FAT filesystem. I would like to know what kind of FAT filesystems are available and what are their names. How can I do this from the command line?
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3answers
35 views

Why copying takes time across partitions on the same disk?

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, I suppose this is because the ...
7
votes
2answers
886 views

Is there any way to prevent a USB flash drive from being written to? [duplicate]

I see lots of articles about preventing a specific computer from writing to a USB flash drive or preventing malware from getting from a USB flash drive to a computer; what I can’t find anything for is ...
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0answers
18 views

I cant read /tmp directory on an ubuntu machine. Disk is clean

I cant access /tmp ("ls /tmp" hangs up) on my ubuntu 14.04 machine. /tmp is a folder on sda5. badblocks -sv /dev/sda5 and fsck.ext4 -n /dev/sda5 tell me that everything is fine... How is that ...
1
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1answer
40 views

Folder named `xyz` appears under the name `Public Desktop` in Windows Explorer?

In Windows 8: I have a folder that is currently named 'unused' but the same behavior occurs with any name that I rename it to. The name appears correctly in CMD when I type dir but when I look for the ...
2
votes
1answer
73 views

Adware changed file type of extensionless file

[Solution]The issue has been resolved. I ran the 'Advanced Renamer' program as suggested, and changed the file type of my make file from make to make.mak. Then after the program was done I removed the ...
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0answers
10 views

How to continue the autofill in this format?

So right now I have this in range A1:A9 A1: 1.1.1 A2: 1.1.2 A3: Empty cell A4: 1.2.1 A:5 1.2.2 A6: Empty cell A7: 1.3.1 A8: 1.3.2 A9: Empty cell What I need to do is be able to drag this ...
1
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0answers
9 views

Which devices in /sys/block are HDDs?

I'm interested which devices in /sys/block are real HDD drives: [root@sdp1a block]# pwd /sys/block [root@sdp1a block]# ls dm-0 dm-12 dm-3 dm-7 loop1 loop5 ram1 ram13 ram3 ram7 sdaa sdae ...
0
votes
1answer
33 views

How can I visualize the folders and files as a tree on Windows?

How can I visualize all sub folders and files of an self-defined root folder on Windows? The result should be something like this:
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0answers
17 views

ack.pl tool and ack.pl flags + how to ignore files with S attr

I am using the ack.pl tool in order to search string or IP’s in files The official site of ack.pl is - http://beyondgrep.com/documentation/ Example of ack.pl CLI ( want to find the string ...
0
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0answers
16 views

How do I tune NTFS for subversion

I'm building a new buildhost for Jenkins that will run Windows 12 Server and check out relatively large c-projects from SVN and build them. I our current generation of builders a bottleneck is the ...
1
vote
1answer
349 views

File inconsistency… doesn't appear in 'ls -a' but it exists?

I’ve run rsync (3.0.6) on Mac OS X 10.6 (Snow Leopard )to backup a folder form an external hard drive (FAT32) to another external hard disk (FAT32). Somehow certain files (and at times they change!) ...
0
votes
1answer
52 views

Windows 7 File Permissions, Security Tab, “Group or user names” SYSTEM group

*Note: This is a re-posting of a 'too broad' topic. This is a narrowed version: I right click a file, and choose "Permissions." I choose the "Security" tab. Under the "Group or user names" section, I ...
1
vote
2answers
62 views

Is it possible to compress a full file system on Linux?

On Windows I can use NTFS drive compression to save heaps of disk space; usually 30%, often much more. It also improves read and write speeds at the cost of higher CPU usage; which isn’t an argument ...
13
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10answers
28k views

Filesystem full: how to find the biggest directories or biggest file? [duplicate]

Under Linux, I'm looking for a command to list the biggest file and/or the biggest directories under a directory.
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0answers
17 views

How to fix PDF file corruption [duplicate]

Some days before my trial of free Antivirus expired. So my system ran without any Antivirus for two to three days. After that I noticed that I am facing problem in opening PDF files. Then I opened ...
0
votes
2answers
26 views

Is there a way to change the name of specific accounts in the User folder of Windows 8.1?

During the setting up of a new computer, I accidentally switched the account names for my customary admin account and regular user account. Is there a way for me to switch the folder names under the ...
23
votes
8answers
13k views

How to monitor a folder for changes, and execute a command if it does, on Windows?

There are similar questions for Linux and Mac, but I'm after a Windows solution here. The problem is as follows: I want to write several (js) script files in a folder, and have a program monitor ...
2
votes
6answers
20k views

How to format pendrive from fat32 to ext3 in windows7?

I am trying to make a live USB of OPHCRACK, and I tried to boot from a fat32 pendrive. But after making a live USB, it wouldn't boot. After searching awhile, I came to understand that ophcrack will ...
0
votes
0answers
22 views

Video playback from remote filesystem lag on Ubuntu

I have laptop running Ubuntu 14.10 and used for watching movies from my server. I've installed vlc player but faced with the bug: At approximately 40 minute (can ve different for various videofiles) ...
1
vote
1answer
1k views

Folder can't be moved here when trying to relocate Appdata\user\Local

I am trying to relocate my AppData folders to free up space on my laptop's SSD drive to my much larger 1TB secondary drive. I'm using the Location tab on the C:/Users/mark/AppData/Local to make the ...
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votes
2answers
638 views

What is Sysrq+J “Thaw frozen filesystems” and why it fails?

Is it expected to unfreeze processes that are in uninterruptible sleep because of filesystem issue (NFS, FUSE, bug)? If I press Sysrq+J on my Linux, it halts the system and prints "Emergency Thaw on ...
1
vote
1answer
73 views

When I order files by an unusual meta column, does the computer read headers of the files or just a structured list like a data table?

Is there a file system which will reduce the need for indexing files and saves the meta headers automatically on the disk? It would work like a hardware acceleration for indexing all files for some ...
0
votes
1answer
4k views

An attempt to scp a file I can read returns the error, “No such file or directory”

I'm trying to scp (secure copy) a file from a remote server to my local machine. The command I am using is this: scp user@server:/path/to/source/file.gz /path/to/destination But the error I get is ...
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0answers
19 views

set download directory to same as url path

I am using Internet Downlaod manager for downloading the files such as mp3, videos, documents and much more. Basically every time when i started downloading from a website he asks us to set a path, ...
0
votes
1answer
33 views

Saving 40 GB of data to SD Card and losing most of it

I have recently used an sdhc card (64GB) to backup computer data. Before formatting, I saved around 40 GB of photos to the card. After formatting, I could only retrieve 7GB of data from the SD Card. ...
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0answers
46 views

How to defragment or minimize a “directory file” on ext4?

I have quite an old home directory on HDD. There were lots of files created and removed and now the size of /home/username is 995328 bytes. Please note, I mean the size of the "directory file" (every ...