* Installable File System ( IFS ) – a filesystem API for IBM OS / 2 and Microsoft Windows NT

In OS / 2 and Microsoft Windows, the virtual file system mechanism is called the Installable File System.

* fs-driver Ext2 Installable File System for Microsoft Windows

The kernel mode parts consist of the Virtual Machine Manager ( VMM ), the Installable File System Manager ( IFSHLP ), the Configuration Manager, and in Windows 98 and later, the WDM Driver Manager ( NTKERN ).

One reason for this is the FAT file systems ( including FAT12 / FAT16 / FAT32 ), which are the only ones that Windows 9x supports officially, though Windows NT also supports FAT12 and FAT16 ( but not FAT32 ) and Windows 9x can be extended to read and write NTFS volumes using third-party Installable File System drivers.

The Installable File System ( IFS ) is a filesystem API in IBM OS / 2 and Microsoft Windows that enables the operating system to recognize and load drivers for file systems.

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* Installable File System

* Installable File System ( IFS )

The breakthrough concept of Installable File System in OS / 2 is attributed to him.

In Microsoft Networking, the network redirectors are implemented as Installable File Systems ( IFS ).

Version 1. 2 introduced Installable Filesystems and notably the HPFS filesystem.

* ' Installable Client device driver, in Microsoft Windows

7070/7074 Autocoder includes the following declarative statements: DA ( Define Area ), DC ( Define Constant ), DRDW ( Define Record Definition Word ), DSW ( Define Switch ), DLINE ( Define Line ), EQU ( Equate ), CODE,DTF ( Define Tape File ), DIOCS ( Define Input/Output Control System ), and DUF ( Descriptive Entry For Unit Records ).

** Journaled File System ( JFS ) filesystem type

* Parallel Virtual File System ( PVFS ) – A parallel file system for HPC clusters.

: See Network File System.

Parts of Cairo have still not made it into Windows as of 2009-specifically, the WinFS file system, which was the much touted Object File System of Cairo.

SGI's own Extent File System ( EFS ) replaced the System V filesystem.

ISO 9660, also referred to as CDFS ( Compact Disc File System ) by some hardware and software providers, is a file system standard published by the International Organization for Standardization ( ISO ) for optical disc media.

The primary volume descriptor acts much like the superblock of the Unix File System, providing details on the ISO 9660 compliant portion of the disk.

* POSIX. 1-2008: POSIX Base Definitions, System Interfaces, and Commands and Utilities ( which include POSIX. 1, extensions for POSIX. 1, Real-time Services, Threads Interface, Real-time Extensions, Security Interface, Network File Access and Network Process-to-Process Communications, User Portability Extensions, Corrections and Extensions, Protection and Control Utilities and Batch System Utilities )

The first popular implementation of RPC on Unix was Sun's RPC ( now called ONC RPC ), used as the basis for Network File System.

* It provides datagrams, suitable for modeling other protocols such as in IP tunneling or Remote Procedure Call and the Network File System.

This original proposal, FSS-UTF ( File System Safe UCS Transformation Format ), was similar in concept to UTF-8, but lacked the crucial property of self-synchronization.

This provides objects such as FileSystemObject, File, and TextStream, which expose the Windows File System to the programmer.

All versions of the operating system support the Windows NT file system, NTFS 3. 0, the Encrypting File System, as well as basic and dynamic disk storage.

The Windows 2000 Server family has additional features, including the ability to provide Active Directory services ( a hierarchical framework of resources ), Distributed File System ( a file system that supports sharing of files ) and fault-redundant storage volumes.

Certain new features are common across all editions of Windows 2000, among them NTFS 3. 0, the Microsoft Management Console ( MMC ), UDF support, the Encrypting File System ( EFS ), Logical Disk Manager, Image Color Management 2. 0, support for PostScript 3-based printers, OpenType < tt >(. OTF )</ tt > and Type 1 PostScript < tt >(. PFB )</ tt > font support, the Data protection API ( DPAPI ), an LDAP / Active Directory-enabled Address Book, usability enhancements and multi-language and locale support.

The System File Checker utility provides users the ability to perform a manual scan the integrity of all protected system files, and optionally repair them, either by restoring from a cache stored in a separate " DLLCACHE " directory, or from the original install media.

* YAFFS – Yet Another Flash File System

The root file system could be configured to use the Veritas File System ( VxFS ).

* Colossus, the codename for a new version of the Google File System

In December 2004, HP announced a change of plan: they would instead use the Veritas File System and abandon the Tru64 advanced features.

: File transfer protocol filesystem translator.

Journaled File System or JFS is a 64-bit journaling filesystem created by IBM.

Linux has several filesystem drivers for the File Allocation Table ( FAT ) filesystem format.

As mentioned previously, all of the Linux filesystem drivers support all of the three File Allocation Table sizes, 12-bit, 16-bit, and 32-bit.

* Playstation File System, the filesystem used on the Playstation 2 hard drive

* Professional File System, a third-party filesystem used on the Amiga

The Berkeley Software Distribution ( BSD ) portion of the kernel provides the POSIX API ( BSD system calls ), the Unix process model atop Mach tasks, basic security policies, user and group ids, permissions, the network stack, the virtual file system code ( including a filesystem independent journaling layer ), several local file systems such as HFS / HFS +, the Network File System ( NFS ) client and server, cryptographic framework, UNIX System V inter-process communication ( IPC ), Audit subsystem, mandatory access control, and some of the locking primitives.

* Solid File System-( SolFS ) cross-platform single-file virtual filesystem with encryption and compression

* Integrated File System-on IBM midrange & mainframe systems ( e. g. OS / 400, MVS, VM / CMS ), the POSIX compatible filesystem provided by the operating system, as opposed to the traditional non-POSIX filesystem it also supplies

* Smart File System, journaling a filesystem used on Amiga computers

The previous Amiga filesystem ( known originally simply as " DOS " or AmigaDOS ) upon the release of FFS became known as Amiga Old File System ( OFS ).

On the Amiga, the Old File System was the filesystem for Amiga OS before the Amiga Fast File System.

Originally known as Amiga File System, the filesystem itself was very similar to that of Xerox Alto Filesystem.

When this information is retrieved, the client mounts the path on its root filesystem via either the Network File System ( NFS ) or Network Block Device ( NBD ) services running on the LTSP server.

However, a keydrive or any other device may be formatted using another filesystem ( for example HFS Plus on an Apple Macintosh, or Ext2 under Linux, or Unix File System under Solaris or BSD ).

In contrast, shared block-based filesystems such as Global File System and OCFS must allow direct access to the underlying storage by all of the clients in the filesystem and increase the risk of filesystem corruption from misbehaving / defective clients.