ntfs Questions

4

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We're building a Windows-based application that traverses a directory structure recursively, looking for files that meet certain criteria and then doing some processing on them. In order to decide ...
Eratosthenes asked 14/4, 2011 at 13:11

5

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There is a function to set the "valid data length" value: SetFileValidData, but I didn't find a way to get the "valid data length" value. I want to know about given file if the EOF is different fr...
Mcgowen asked 23/2, 2016 at 8:52

7

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I want to compress a folder using NTFS compression in .NET. I found this post, but it does not work. It throws an exception ("Invalid Parameter"). DirectoryInfo directoryInfo = new DirectoryInfo( ...
Canopus asked 8/3, 2009 at 19:20

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I would like to know what do I have to do if I want to mount automatically my NTFS filesystem when Ubuntu 10 starts. Now I have to do it manually everytime it starts. Thanks
Fighter asked 7/3, 2011 at 19:28

4

I thought extended file attributes existed in NTFS which Windows supports. I cannot find a cmd for accessing/updating attributes. Is there a flavor of Windows (and its file system) that supports t...
Christner asked 27/9, 2017 at 22:48

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Coming from a .Net development background with not that much experience in (NTFS) file system security most of the rights in System.Security.AccessControl.FileSystemRights are pretty clear to me. ...
Febrile asked 22/2, 2016 at 7:53

4

In general, Robocopy ignores files for which lastwrittendate and filesize are the same. How can we escape this design? I'd like to force overwriting with Robocopy. I expected that dst\sample.txt s...
Mellen asked 22/11, 2016 at 14:22

4

when I git clone the repository the following warning appears: ... warning: the following paths have collided (e.g. case-sensitive paths on a case-insensitive filesystem) and only one from the same...
Spragens asked 18/8, 2020 at 12:13

0

I have a script in PHP that reads several files and I run it on Windows 10. When I run it for the first time, it works slowly (tens of seconds) and next times, it works quickly (less than a second)...
Pyle asked 5/5, 2023 at 19:22

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How does Windows with NTFS perform with large volumes of files and directories? Is there any guidance around limits of files or directories you can place in a single directory before you run into ...
Flabellum asked 13/10, 2008 at 10:1

2

When cloning a git repository that contains case-sensitive file paths (e.g. /README.md and /readme.md) on a case-insensitive file system (like NTFS or APFS), git will only check out one of the coll...
Heeling asked 18/5, 2021 at 15:53

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Is there a simple way to check in Python if a file system is case insensitive? I'm thinking in particular of file systems like HFS+ (OSX) and NTFS (Windows), where you can access the same file as f...
Sialagogue asked 23/10, 2011 at 23:29

7

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How can I test in PowerShell code if a folder is a junction point?
Endomorphic asked 22/2, 2010 at 13:28

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Obviously not every action on a file or folder will immediately update its LastAccessTime since that just means that checking what is its LastAccessTime will always return the current time. But wha...
Lanugo asked 17/11, 2022 at 20:51

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I'm designing a database table which will hold filenames of uploaded files. What is the maximum length of a filename in NTFS as used by Windows XP or Vista?
Pacifism asked 5/11, 2008 at 16:39

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This question shows that cygwin’s soft links are somewhat different from ntfs junctions. I’d like cygwin to create a real junction. I thought about running mklink but, hell, there is no mklink.exe....
Oscilloscope asked 24/2, 2012 at 15:3

3

I am writing some code to parse through the MFT on disk in NTFS volumes. This is straightforward, but one particular corner case caught my eye, and I can't find a clear answer anywhere on the inter...
Salverform asked 24/5, 2015 at 13:34

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In .NET, I think I can determine if a file is a symbolic link by calling System.IO.File.GetAttributes(), and checking for the ReparsePoint bit. like so: var a = System.IO.File.GetAttributes(fileN...
Elfrieda asked 20/2, 2010 at 13:59

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I want to be able to use mklink to create symbolic links on my Windows Vista Home edition computer. However, I must grant SeCreateSymbolicLink before mklink will be able to function on Vista Home ...
Ruthful asked 2/5, 2009 at 19:43

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Which built in (if any) tool can I use to determine the allocation unit size of a certain NTFS partition ?
Tibiotarsus asked 17/9, 2008 at 8:50

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I'm trying to create an NTFS Junction. From the cmd line I can do this using the junction.exe tool from sysinternals. The output of a DIR cmd for a junction looks like this: Volume in drive C ha...
Michellemichels asked 9/9, 2009 at 15:56

2

There is a software called "Everything" it indexes all the files in your machine, and find anything very fast; once the files are indexed. I would expect the index phase to take few minut...
Crashing asked 16/5, 2021 at 7:37

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We have complaints "from the field" (i.e. from sysadmins installing software) that cygwin "messes up" windows permissions on NTFS (Windows 7/10/2008/2012, etc). Problem Usecase The general usecas...
Deem asked 31/3, 2017 at 17:20

1

I noticed that access rights in C:\Program Files\WindowsApps for Users have a special "condition" applied: EXISTS WIN://SYSAPPID. I didn't find anything about ACL conditions or how I cou...
Urnfield asked 17/8, 2020 at 17:11

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I'm trying to read the NTFS Change Journal but I've noticed that all the example code I can find fails on Windows 10, even though it works on Windows 7. For example, Microsofts own example Walking...
Bessette asked 27/10, 2017 at 15:33

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