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UnZip is an extraction utility for archives compressed in .zip format (also called "zipfiles"). Although highly compatible both with PKWARE's PKZIP
and PKUNZIP utilities for MS-DOS and with Info-ZIP's own Zip program, our primary objectives have been portability and non-MSDOS functionality.
CHANGES AND NEW FEATURES
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The 5.42 maintance release fixes more bugs and cleans up the redistribution conditions:
- removal of unreduce.c and amiga/timelib.c code to get rid of the last distribution restrictions beyond the BSD-like Info-ZIP LICENSE
- new generic timelib replacement (currently used by AMIGA port)
- more reasonable mapping rules of UNIX "leading-dot" filenames to the DOS 8.3 name convention
- repaired screensize detection in MORE paging code (was broken for DOS/OS2/WIN32 in 5.41)
ftp://ftp.leo.org/pub/comp/os/os2/leo/archiver/unzip542.exe
Source: