from
The Free On-line Dictionary of Computing (8 July 2008)
PKZIP
<tool> A file {compression} and archiver utility for {MS-DOS}
and {Microsoft Windows} from {PKWARE, Inc.}. PKZIP uses a
variation on the {sliding window} compression {algorithm}. It
comes with {pkunzip} and {pklite} and is available as
{shareware} from most {FTP archives} in a self-expanding
{MS-DOS} executable.
Current versions as of 1999-10-07: PKZIP 2.60 GUI for
{Microsoft Windows 3.1}x, {Windows 9x}, {Windows NT}; PKZIP
2.50 Command Line for Windows 9x NT; PKZIP 2.04g for {MS-DOS};
PKZIP 2.51 for {Unix}, ({Linux}, {SPARC} {Solaris}, {Digital},
{HP-UX}, {IBM AIX} and {SCO} Unix); PKZIP 2.50 for {OS/2};
PKZIP for {Open VMS}/{VAX}.
{WINZIP} is a version with a {GUI} for {Microsoft Windows}.
A distribution in about 1995-06-22 claiming to be "PKZIP 3"
was actually a {Trojan horse} which attempted to reformat the
hard disk and delete all files on it.
(http://pkware.com/catalog/pkzip_win.html).
[Status, history of WINZIP, PKLITE?]
(1999-01-16)