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The uses of extended attributes in Be-like systems are varied: For example, Tracker and OpenTracker, the file-managers of BeOS and Haiku respectively, both store the locations of file icons in attributes, [8] Haiku's "Mail" service stores all message content and metadata in extended file attributes, [9] and the MIME types of files are stored in ...
Common file attributes supported by Oracle Solaris and illumos systems Attribute Compact flag for ls & chmod Semantics and rationale appendonly: a: Writing to file only allowed in append mode. immutable: i: Prevents any change to file's contents or metadata (except access time): file/directory cannot be written to, deleted, or renamed. nodump: d
reStructuredText (RST, ReST, or reST) is a file format for textual data used primarily in the Python programming language community for technical documentation.. It is part of the Docutils project of the Python Doc-SIG (Documentation Special Interest Group), aimed at creating a set of tools for Python similar to Javadoc for Java or Plain Old Documentation (POD) for Perl.
This situation might sometimes be a disadvantage, but for recoverability, it is a significant advantage. The file system metadata is all in fixed, well-known locations, and data structures have some redundancy. In significant data corruption, ext2 or ext3 may be recoverable, while a tree-based file system may not.
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 improvements. [4]
.nii – single-file (combined data and meta-data) style.nii.gz – gzip-compressed, used transparently by some software, notably the FMRIB Software Library (FSL).gii – single-file (combined data and meta-data) style; NIfTI offspring for brain surface data.img, .hdr – dual-file (separate data and meta-data, respectively) style
Sidecar files, also known as buddy files or connected files, are computer files that store data (often metadata) which is not supported by the format of a source file. There may be one or more sidecar files for each source file. There may also be "metadata databases" where one database contains metadata for several source files.
This file system feature is called inlining. The strict separation of inode and file data thus can no longer be assumed when using modern file systems. If the data of a file fits in the space allocated for pointers to the data, this space can conveniently be used. For example, ext2 and its successors store the data of symlinks (typically file ...