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  2. ext4 - Wikipedia

    en.wikipedia.org/wiki/Ext4

    ext4 (fourth extended filesystem) is a journaling file system for Linux, developed as the successor to ext3. ext4 was initially a series of backward-compatible extensions to ext3, many of them originally developed by Cluster File Systems for the Lustre file system between 2003 and 2006, meant to extend storage limits and add other performance ...

  3. Journaling block device - Wikipedia

    en.wikipedia.org/wiki/Journaling_block_device

    JBD2 was forked from JBD in 2006 with ext4, with the goal of supporting a 64-bit (as opposed to 32-bit-only in JBD) block number. As a result, the maximum volume size in ext4 is increased to 1 EiB compared to 16 TiB in ext3 (assuming 4 KiB blocks). [4] JBD2 is backward-compatible. OCFS2 starting from Linux 2.6.28 uses JBD2. [5]

  4. Comparison of file systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_file_systems

    ext4: various 2006 Linux: exFAT: Microsoft: 2006 Windows CE 6.0: Btrfs: Chris Mason 2007 ... Maximum volume size [cd] Max number of files See also. List of file systems;

  5. Extended file attributes - Wikipedia

    en.wikipedia.org/wiki/Extended_file_attributes

    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.

  6. Partition type - Wikipedia

    en.wikipedia.org/wiki/Partition_type

    The partition type (or partition ID) in a partition's entry in the partition table inside a master boot record (MBR) is a byte value intended to specify the file system the partition contains or to flag special access methods used to access these partitions (e.g. special CHS mappings, LBA access, logical mapped geometries, special driver access, hidden partitions, secured or encrypted file ...

  7. Extended file system - Wikipedia

    en.wikipedia.org/wiki/Extended_file_system

    The extended file system, or ext, was implemented in April 1992 as the first file system created specifically for the Linux kernel. Although ext is not a specific file system name, it has been succeeded by ext2, ext3, and ext4.

  8. File system - Wikipedia

    en.wikipedia.org/wiki/File_system

    The ext4 file system resides in a disk image, ... (volume in IBM terminology) is stored on that disk in a flat system file called the Volume Table of Contents (VTOC ...

  9. List of file systems - Wikipedia

    en.wikipedia.org/wiki/List_of_file_systems

    ext4 – A follow-up for ext3 and also a journaled filesystem with support for extents. ext3cow – A versioning file system form of ext3. FAT – File Allocation Table, initially used on DOS and Microsoft Windows and now widely used for portable USB storage and some other devices; FAT12, FAT16 and FAT32 for 12-, 16-and 32-bit table depths.