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To securely delete the metadata of a PDF file, it is important to linearize the PDF file afterwards, otherwise changes are reversible and the metadata can be recovered. [5] [6] Metadata removal tools are also commonly used to reduce the overall sizes of files, particularly image files posted on the Web.
Structural metadata describes how the components of an object are organized. An example of structural metadata would be how pages are ordered to form chapters of a book. Finally, administrative metadata gives information to help manage the source. Administrative metadata refers to the technical information, such as file type, or when and how ...
The Extensible Metadata Platform (XMP) is an ISO standard, originally created by Adobe Systems Inc., for the creation, processing and interchange of standardized and custom metadata for digital documents and data sets.
When a page is deleted, its text remains in the text table but its metadata (e.g. its deleted revision history) is moved from the revision table to the archive table, which was created on 10 August 2002. Page text was also stored in the archive table until Wikipedia was upgraded to MediaWiki 1.5 in June 2005. [c]
Prevents any change to file's contents or metadata: file/directory cannot be written to, deleted, renamed, or hard-linked. No dump d +d,-d: File is skipped by the dump program: Secure deletion s +s,-s: Requests that, when deleted, all file data blocks are filled with zeroes. Synchronous updates S +S,-S
File utilities create, list, copy, move and delete files, and alter metadata. They may be able to truncate data, truncate or extend space allocation, append to, move, and modify files in-place. Depending on the underlying structure of the file system, they may provide a mechanism to prepend to or truncate from the beginning of a file, insert ...
By default, both the Trash and Spam folders empty automatically to keep your account tidy. These settings are set systemically and can't be changed. • Trash deletion frequency - Trash is deleted after 7 days.
In computer programming, create, read, update, and delete (CRUD) are the four basic operations (actions) of persistent storage. [1] CRUD is also sometimes used to describe user interface conventions that facilitate viewing, searching, and changing information using computer-based forms and reports .