Unlike PkZip, it is also a completely free program. Info-Zip Site . It appears that the author intends to distribute RK under the GPL- this would be very welcome for a high performance DOS archiver.
High compression is gained at the cost of speed.
Multiple volume support. Win32 console version, Italian versions. The drive letter is no longer stored if relative paths is selected, even if the file is from another drive than the current. New RK home page. IMP can also unzip ZIP archives.