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PKZIP is a file archiving computer program, notable for introducing the popular ZIP file format. PKZIP was first introduced for MS-DOS on the IBM-PC compatible platform in 1989. Since then versions have been released for a number of other architectures and operating systems.
The .ZIP file format was designed by Phil Katz of PKWARE and Gary Conway of Infinity Design Concepts. The format was created after Systems Enhancement Associates (SEA) filed a lawsuit against PKWARE claiming that the latter's archiving products, named PKARC, were derivatives of SEA's ARC archiving system. [3]
PeaZip has full support for Brotli, Zstandard, various LPAQ and PAQ formats, QUAD / BALZ / BCM (highly efficient ROLZ based compressors), FreeArc format, and for its native PEA format. 7-Zip includes read support for .msi , cpio and xar , plus Apple's dmg / HFS disk images and the deb / .rpm package distribution formats; beta versions (9.07 ...
WinZip 1.0 was released in April 1991 as a graphical user interface (GUI) front-end for PKZIP. [5]Former WinZip icon. From version 6.0 until version 9.0, registered users could download the newest versions of the software, enter their original registration information or install over the top of their existing registered version, and thereby obtain a free upgrade.
PKWARE was founded in 1986 by Phil Katz, a software developer who had begun distributing a new file compression utility, called PKARC, as shareware.PKARC represented a radical improvement over existing compression software (including the ARC utility, on which it was based) and gained popularity among individuals and corporations.
Graphical user interface. The Windows version comes with its own GUI. For various Unix-like systems, several GUIs, e.g. PeaZip, can handle the 7z file format based on the Unix binaries. [26] Calculating checksums in the formats CRC-32, CRC-64, SHA-1, or SHA-256 for files on disk, available either via command line or Explorer's context menu [2]
File extension(s) [a] MIME type [b] Official name [c] Platform [d] Description .br application/ x-brotli Brotli: all Brotli is a compression algorithm developed by Google for textual web content, and typically achieves higher compression ratios than other algorithms for this use case.
PKZIP made Katz one of the most well-known shareware authors of all time. Although PKWARE became a multimillion-dollar company, Katz was more noted for his technical expertise than business prowess. His family assisted him in running the company, but he eventually fired them when they denied him access to the company's profits.
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