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2. PKZIP - Wikipedia

   en.wikipedia.org/wiki/PKZIP

   Led by some BBS sysops who refused to accept or offer files compressed as .ARC files, users began recompressing any old archives that were currently stored in .ARC format into .ZIP files. The first version was released in 1989, as a DOS command-line tool, distributed under shareware model with a US$25 registration fee (US$47 with manual).

3. ZIP (file format) - Wikipedia

   en.wikipedia.org/wiki/ZIP_(file_format)

   The .ZIP File Format Specification has its own version number, which does not necessarily correspond to the version numbers for the PKZIP tool, especially with PKZIP 6 or later. At various times, PKWARE has added preliminary features that allow PKZIP products to extract archives using advanced features, but PKZIP products that create such ...

4. WinZip - Wikipedia

   en.wikipedia.org/wiki/WinZip

   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.

5. Torrent file - Wikipedia

   en.wikipedia.org/wiki/Torrent_file

   The purpose is to reduce the file size of torrent files, which reduces the burden on those that serve torrent files. A torrent file using Merkle trees does not have a pieces key in the info list. Instead, such a torrent file has a root_hash key in the info list. This key's value is the root hash of the Merkle hash:

6. Deflate - Wikipedia

   en.wikipedia.org/wiki/DEFLATE

   In computing, Deflate (stylized as DEFLATE, and also called Flate [1] [2]) is a lossless data compression file format that uses a combination of LZ77 and Huffman coding. It was designed by Phil Katz, for version 2 of his PKZIP archiving tool. Deflate was later specified in RFC 1951 (1996). [3]

7. Comparison of file archivers - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_file_archivers

   File archivers Developer Initial release Platform Latest release version Latest release date Status License Cost 7-Zip: Igor Pavlov 1999-01-02 Cross-platform 24.09 [1] 2024-11-29 Active LGPL-2.1-or-later (RAR plugin is proprietary) No cost ALZip: ESTsoft: 1999 [a] Cross-platform 12.22 [2] 2024-02-07 Active Proprietary No cost [b] Archive Manager

8. Phil Katz - Wikipedia

   en.wikipedia.org/wiki/Phil_Katz

   After the lawsuit, PKWARE released one last version of its PKARC and PKXARC utilities under the new names "PKPAK" and "PKUNPAK", and from then on concentrated on developing the separate programs PKZIP and PKUNZIP, which were based on new and different file compression techniques.

9. PKWare - Wikipedia

   en.wikipedia.org/wiki/PKWare

   PKZIP: PKZIP is a software utility that allows the compression and decompression of multiple files and folders into a single archive or multiple archives. The name combines the initials of company founder Phil Katz with “zip”, a reference to the software's speed. [2] Originally, PKZIP was written as shareware for DOS. Since its creation ...