![]() Katz released the ZIP file format specifications into the public domain, while retaining the proprietary rights over his compression and extraction utility i.e. This is where the creation of a new file compression came into being, named as ZIP which was made part of PKZIP utility at PKWARE, Inc. Losing to the lawsuit, PKWARE couldn’t use the anything related to ARC anymore. ![]() Prior to this, Phil Katz, had rewritten SEA’s source code and released PKXARC, an ARC extractor, and PKARC, a file compressor, as freeware for MS-DOS based systems. The history fo ZIP file format dates back to the event of lawsuite fielded by System Enhancement Associates (SEA) against PKWARE for using its ARC utility without permissions for its trademark and the copyrights of product’s appearance and user interface. Right after the availability of available specifications, many companies made ZIP file format part of their software utilities including Microsoft (since Windows 7), Apple (Mac OS X ) and many others. The format was made part of PKZIP utility, created by PKWARE, Inc. ZIP file format was made public back in February 1989 by Phil Katz for achieving archiving of files and folders. The archive can have compression applied to the included files in order to reduce the ZIP file size. zip extension is an archive that can hold one or more files or directories. ![]()
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