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In Linux, the ext2, ext3, ext4, JFS, Squashfs, UBIFS, Yaffs2, ReiserFS, Reiser4, XFS, Btrfs, OrangeFS, Lustre, OCFS2 1.6, ZFS, and F2FS [11] filesystems support extended attributes (abbreviated xattr) when enabled in the kernel configuration. Any regular file or directory may have extended attributes consisting of a name and associated data.
This permission must be set for executable programs, in order to allow the operating system to run them. When set for a directory, the execute permission is interpreted as the search permission: it grants the ability to access file contents and meta-information if its name is known, but not list files inside the directory, unless read is set also.
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.
Byte File System (BFS) - file system used by z/VM for Unix applications; Btrfs – is a copy-on-write file system for Linux announced by Oracle in 2007 and published under the GNU General Public License (GPL). CFS – The Cluster File System from Veritas, a Symantec company. It is the parallel access version of VxFS.
Notable software applications that can access or manipulate disk image ... FAT16, FAT32, HPFS, JFS, Xfs, UFS, HFS and NTFS: Linux: Free ... File Explorer: VHD only:
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.
Microsoft Windows, Linux, FreeBSD, Plan 9, OS X, Solaris, Irix, UnixWare, [Note 5] HP-UX, [Note 5] Internet Explorer: FreeRTOS: Yes No No No No No No No No No Yes Yes No No No Yes AVR, PIC, MSP430, HCS12, 8052, MicroBlaze, Cortex-M3, H8S: eCos: Yes Yes No No No Yes No Yes No No Yes Yes Yes Yes No Yes
A file name, or filename, identifies a file to consuming applications and in some cases users. A file name is unique so that an application can refer to exactly one file for a particular name. If the file system supports directories, then generally file name uniqueness is enforced within the context of each directory.