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Filesystems

A file system is a way of organizing data on a computer system

Ntfs

NTFS (New Technology File System) is the primary file system used by Windows.



Others

Example

Both zfs and ntfs are implemented in fuse;if you go the kernel route you will find your filesystems is much harder to debug and that the development process is much more complicated

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Compiling a new filesystem into the Linux Kernel

According to my best understanding the simplest way to detect whether an ntfs filesystems contains a bootable windows is checking that any of the files bootmgr or ntldr exists in the root directory because one of these files will be loaded by the boot code;the ntfs boot sector first 512 bytes of the filesystems doesn t contain definitive information about bootability because it can be exactly the same for bootable and nonbootable filesystems

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How to detect a bootable NTFS filesystem?

I wrote about filesystems esp;fat since the timestamp resolution of fat is someabout 2 seconds while ntfs has much higher resolution again this could have an impact when comparing timestamps.

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MsDeploy remoting executing manifest twice

When people say that unix filesystems are better people might mean to be saying oh ext3 stores bits in such as way that corruption happens way less than ntfs but people might also be talking about design choices made at the common layer above

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What makes the Unix file system more superior to the Windows file system?

Your filesystems is not set up correctly;by default ntfs is case-preserving but case-insensitive

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Error trying to install glibc in WSL: relocation R_X86_64_PC32 against undefined symbol `__GI___open64_nocancel'

Ntfs is much more complex and time consuming due to the more complex nature of this filesystems

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How to show list of deleted files in windows file system

Perhaps my real issue was that since they were on different filesystems my bottleneck was i o;converting just one file from the ntfs partition took 3x longer than if i moved it to the ext4 partition

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Linux (Ubuntu 12.04) getting horrible multithreaded performance?

If you need to load from a well-defined filesystems fat or ntfs this is more tricky you have only 450 bytes of space because 60 of the 512 bytes are used by the filesystems internally for code that interprets the data of the filesystems finds the file containing the code and loads it into memory

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How to use more than 512 bytes of my own bootable floppy

Even if the ntfs wikipedia page mentions the guid ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 for ntfs in the gpt case this guid is in fact unrelated to filesystems see comment below about this;it s probably easier to use getvolumeinformation instead and just compare if the result is the ntfs string as in the other answer in my particular case i initially wanted to test if a volume is ntfs or not before attempting an indexing with deviceiocontrol hvol fsctl_enum_usn_data ... because i thought such mft querying would be limited to ntfs volumes

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Enumerate all partitions and test if they are NTFS

A fat filesystems saves files into clusters by 16 bytes or 32 bytes explaining the label of fat16 fat32 and basically wasting disk space;ntfs however is a little more dynamic than that files can be saved as that files own size but again the ram causes the files to be saved randomly on to disk therefor to clean up these empty spaces it is best to run disk defrag a default program on all versions of windows

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Does NTFS intentionally leave gaps between files?

Different filesystems not different operating systems have different capabilities for storing metadata;ntfs has plenty of possibilities while fat is very limited and ext are somewhere in between

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Is there a standard way, across operating systems, of adding "tags" to files

But the case conversion table is stored on the filesystems itself for ntfs and it does change between versions for instance the vista case conversion table was brought to the unicode 5 level so vista ntfs and xp ntfs have different case conversion rules;and the thing that matters is the os that formatted the filesystems not the current os

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.NET How to compare two Strings that represent filenames ignoring case correctly

The limit probably originates with the filesystems;fat32 has a limit of 4gb whereas ntfs has a much higher limit in the terabytes

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Handling Files greater than 2 GB in MSVC6!

Quick and dirty answer the simple answer is blobs smaller than 256kb are more efficiently handled by a database while a filesystems is more efficient for those greater than 1mb;of course this will vary between different databases and filesystems there is a microsoft technical report here compare blob and ntfs filesystems

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How to deal with BLOB?

For example if your filesystems does not support utf-8 but the file-name is encoded in utf-8;as you are using windows it is worth noting that windows filesystems fat fat32 ntfs are not utf-8 aware

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Php how to output arabic characters on windows using powershell

If the filesystems is not ntfs or the user you are running under does not have rights to modify the ntfs settings edit or ntfs file encryption is disabled you won t be able to use the file.encrypt functions;file.encrypt does ntfs file encryption

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C# I/O exception "This machine is disabled for file encryption.\r\n"

Actual mounting of filesystems is trickier business and really depends on what you are mounting - ntfs fat ext3 xfs nfs cifs webdav etc etc

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File system libraries that allow mounting on an application level

This makes use of the ntfs journaling which applies to filesystems metadata not the contents of your files assuring that only one of two possibilities can happen either you have the old file entirely intact or else the new one also entirely intact;if power dies in the middle of making a change ntfs will use its journal to roll back the transaction

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How to protect a file with Win32 API from being corrupted if the power is reset?

I could also have chosen ntfs filesystems type but i already have lots of those usb sticks around and wanted to try something different

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Virtual Box UUID {07c3.........} does not match the value {2c1b...} stored in the media registry

It s not too hard for filesystems as it s quite simple and well documented but it s more difficult for ntfs as filesystems is much more complicated and not-so-well documented

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Fast Search On FAT32/NTFS File System

The problem is that windows ntfs is slower than typical linux filesystems for these lookups

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Can MinGW Make be sped up without disabling implicit rules?

Although i myself have prior experience in implementing filesystems much simpler ones than ntfs xfs or ext2 i would not tackle this job

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Should I use Python or Assembly for a super fast copy program

When ms switched to the fat32 filesystems that used longer names and later to the ntfs this created migration issues

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What is file expansion?

For example the virtualbox shared-folder filesystems allows control characters colon and pipe in filenames;in windows ntfs filenames cannot contain the ascii control characters 0x01 - 0x1f

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Python Unicode filename \x01 on Windows

Generally the performance of hard filesystems like ntfs is better than that of traditional unix filesystems

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The fundamental differences between Unix and Windows

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