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File-system object attributes may include metadata (times of last change, [2] access, modification), as well as owner and permission data. [3] A directory is a list of inodes with their assigned names. The list includes an entry for itself, its parent, and each of its children.
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
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 ...
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.
The ctime timestamp was added in the file system restructuring that occurred with Version 7 Unix, and has always referred to inode change time. It is updated any time file metadata stored in the inode changes, such as file permissions, file ownership, and creation and deletion of hard links.
MAC times are pieces of file system metadata which record when certain events pertaining to a computer file occurred most recently. The events are usually described as "modification" (the data in the file was modified), "access" (some part of the file was read), and "metadata change" (the file's permissions or ownership were modified), although the acronym is derived from the "mtime", "atime ...
This is a comparison of binary executable file formats which, once loaded by a suitable executable loader, can be directly executed by the CPU rather than being interpreted by software. In addition to the binary application code, the executables may contain headers and tables with relocation and fixup information as well as various kinds of ...
ExifTool is commonly incorporated into different types of digital workflows and supports many types of metadata including Exif, IPTC, XMP, JFIF, GeoTIFF, ICC Profile, Photoshop IRB, FlashPix, AFCP and ID3, as well as the manufacturer-specific metadata formats of many digital cameras. It's also important to note that there are other apps related ...