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File extension(s) [a] MIME type [b] Official name [c] Platform [d] Description .a, .ar application/x-archive Unix Archiver: Unix-like The traditional archive format on Unix-like systems, now used mainly for the creation of static libraries.
5.0 – supported by WinRAR 5.0 (released April 2013) and later. [7] Changes in this version: Maximum compression dictionary size increased to 1 GB (default for WinRAR 5.x is 32 MB and 4 MB for WinRAR 4.x). Maximum path length for files in RAR and ZIP archives is increased up to 2048 characters. Support for Unicode file names stored in UTF-8 ...
WinRAR 3.93 is the last version to support Windows 95, Windows NT 4.0, Windows 98 and Windows Me. [10] WinRAR 4.11 is the last version to support Windows 2000. [10] WinRAR 6.02 is the last version to support Windows XP (except the console version Rar.exe). [10] WinRAR 7.01 is the last version to support Windows Vista (and 32-bit Windows ...
Thus, a representation that compresses the storage size of a file from 10 MB to 2 MB yields a space saving of 1 - 2/10 = 0.8, often notated as a percentage, 80%. For signals of indefinite size, such as streaming audio and video, the compression ratio is defined in terms of uncompressed and compressed data rates instead of data sizes:
As long as the underlying compression algorithm and format allow it, self-extracting archives can also be encrypted for security. [ citation needed ] It is important to note, however, that in many cases, the file and directory names are not included in the encryption and can be viewed by anyone without a key or password.
In 2012, a team of scientists from Johns Hopkins University published a genetic compression algorithm that does not use a reference genome for compression. HAPZIPPER was tailored for HapMap data and achieves over 20-fold compression (95% reduction in file size), providing 2- to 4-fold better compression and is less computationally intensive ...
Executable compression can be used to prevent direct disassembly, mask string literals and modify signatures. Although this does not eliminate the chance of reverse engineering, it can make the process more costly. A compressed executable requires less storage space in the file system, thus less time to transfer data from the file system into ...
iOS 10 is the final version of iOS that supports 32-bit devices, including the iPhone 5, iPhone 5c, and the fourth-generation iPad, as its successor, iOS 11, drops support for those models. iOS 10 is also the final iOS version to support 32-bit applications.