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In some file formats, unused portions of memory are saved that may still contain fragments of previous versions of the text. Where text is redacted, in Portable Document (PDF) or word processor formats, by overlaying graphical elements (usually black rectangles) over text, the original text remains in the file and can be uncovered by simply ...
File deletion is the removal of a file from a computer's file system. All operating systems include commands for deleting files (rm on Unix and Linux, [1] era in CP/M and DR-DOS, del/erase in MS-DOS/PC DOS, DR-DOS, Microsoft Windows etc.). File managers also provide a convenient way of deleting files. Files may be deleted one-by-one, or a whole ...
File deletion, a way of removing a file from a computer's file system; Code cleanup, a way of removing unnecessary variables, data structures, cookies, and temporary files in a programming language; Delete key, a key on modern computer keyboards that erases text; Delete character, DEL, the delete control code in ASCII and C0 and C1 control codes
You can also manually delete specific searches within this period by clicking the History drop-down arrow at the top right of the search page and selecting the Clear option. Additionally, you can delete individual search terms by clicking the Go to Search History link and using the trash bin icon next to the query term. Advanced Search
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.
In computing, del (or erase) is a command in command-line interpreters such as COMMAND.COM, cmd.exe, 4DOS, NDOS, 4OS2, 4NT and Windows PowerShell. It is used to delete one or more files or directories from a file system .
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