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IFSHLP.SYS (the Installable File System Helper) is an MS-DOS device driver that was first released as part of Microsoft Windows for Workgroups 3.11. It enables native 32-bit file access in Windows 386 Enhanced Mode by bypassing the 16-bit DOS API and ensuring that no other real mode driver intercepts INT 21h calls.
By default, all necessary fonts and software are installed in Windows Vista (2007) or later. To input Japanese on a non-Japanese version of the OS, however, the Japanese input method editor must be enabled from the Language & region (Windows 11), Language (Windows 10), Region and Language (Windows 7 and 8) or Regional and Language Options (Vista) section of the Control Panel.
In each node, a header containing metadata is written first, followed by file data, if any. Nodes are chained together with offset pointers in the header. Nodes start out as valid and then become obsolete when a newer version of them is created. The free space remaining in the file system is the gap between the log's tail and its head.
Journalling Flash File System version 2 or JFFS2 is a log-structured file system for use with flash memory devices. [1] It is the successor to JFFS . JFFS2 has been included into the Linux kernel since September 23, 2001, when it was merged into the Linux kernel mainline as part of the kernel version 2.4.10 release.
This file system, now called JFS1 on AIX, was the premier file system for AIX over the following decade and was installed in thousands or millions of customers' AIX systems. Historically, the JFS1 file system is very closely tied to the memory manager of AIX, [ 1 ] which is a typical design for a file system supporting only one operating system.
GS/OS is an operating system developed by Apple Computer for its Apple IIGS personal computer.It provides facilities for accessing the file system, controlling input/output devices, loading and running program files, and a system allowing programs to handle interrupts and signals.
YAFFS (Yet Another Flash File System) is a file system designed and written by Charles Manning for the company Aleph One. YAFFS1 was the first version of this file system and was designed for the then-current NAND chips with 512 byte page size (+ 16 byte spare (OOB; Out-Of-Band) area). Work started in 2002, and it was first released later that ...
Some of the metadata is maintained by the file system, for example last-modification date (and various other dates depending on the file system), location of the beginning of the file, the size of the file and if the file system backup utility has saved the current version of the files. These items cannot usually be altered by a user program.