ShrinkIt

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ShrinkIt (named NuFX archive and file format)
Filename extension
.SHK (regular NuFX archives), .SDK (NuFX disk images)
Initial release1987?
Latest release
1.0.6 (GS), 3.4 (Apple II)
GS: 30 April 1992; 29 years ago (1992-04-30), A2: 24 January 1991; 31 years ago (1991-01-24)
Type of formatData compression
Extended from.BNY (Binary II envelope) .BQY (squeezed file in Binary II envelope) .BXY (NuFX in Binary II envelope)
Extended to.SDK

A NuFX archive is an archive file format that supports lossless data compression. It is usually given the file extension SHK; SDK may also be used to specify that the archive describes the entire contents of a disk.

History[]

designed the format as an improved replacement for the (.BNY) format, adding compression. He introduced it alongside a pkzip-like program called ShrinkIt for Apple II systems, which he later migrated to the Apple IIgs as GS-Shrinkit.

The specification was republished by Apple in its File Type Notes.[1]

See also[]

References[]

  1. ^ http://www.apple2online.com/web_documents/ft_e0.8002_shrinkit.pdf
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