MacZip is a cross-platform compatible tool and
includes both Zip (for compression) and Unzip (for extraction).
zip is a compression and file packaging utility for Unix,
VMS, MSDOS, OS/2, Windows NT, Minix, Atari and Macintosh,
Amiga and Acorn RISC OS.
Unzip unpacks zip archives.
The zip and unzip programs can work with archives pro-
duced by PKZIP, and PKZIP and PKUNZIP can work with
archives produced by zip. zip version 2.2 is compatible
with PKZIP 2.04.