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Early Unix filesystems were referred to simply as FS.FS only included the boot block, superblock, a clump of inodes, and the data blocks.This worked well for the small disks early Unixes were designed for, but as technology advanced and disks grew larger, moving the head back and forth between the clump of inodes and the data blocks they referred to caused thrashing.
The XFS guaranteed-rate I/O system provides an API that allows applications to reserve bandwidth to the filesystem. XFS dynamically calculates the performance available from the underlying storage devices, and will reserve bandwidth sufficient to meet the requested performance for a specified time. This is a feature unique to the XFS file system.
Extended file attributes are file system features that enable users to associate computer files with metadata not interpreted by the filesystem, whereas regular attributes have a purpose strictly defined by the filesystem (such as permissions or records of creation and modification times).
Most file systems include attributes of files and directories that control the ability of users to read, change, navigate, and execute the contents of the file system. In some cases, menu options or functions may be made visible or hidden depending on a user's permission level; this kind of user interface is referred to as permission-driven.
GParted (acronym of GNOME Partition Editor) is a GTK front-end to GNU Parted and an official GNOME partition-editing application (alongside Disks).GParted is used for creating, deleting, [3] resizing, [4] moving, checking, and copying disk partitions and their file systems.
Some file systems, or layers on top of a file system, allow a program to define a record so that a program can read and write data as a structure; not an unorganized sequence of bytes. If a fixed length record definition is used, then locating the n th record can be calculated mathematically, which is relatively fast compared to parsing the ...
CP/M file system — Native filesystem used in the CP/M (Control Program for Microcomputers) operating system which was first released in 1974. DFS – Acorn's Disc filing system. DOS 3.x – Original floppy operating system and file system developed for the Apple II. Extent File System (EFS) – an older block filing system under IRIX.
Current LBA (location of this header copy) 32 (0x20) 8 bytes: Backup LBA (location of the other header copy) 40 (0x28) 8 bytes: First usable LBA for partitions (primary partition table last LBA + 1) 48 (0x30) 8 bytes: Last usable LBA (secondary partition table first LBA − 1) 56 (0x38) 16 bytes: Disk GUID in mixed endian [10] 72 (0x48) 8 bytes