unzip 1. (tool, compression) To extract files from an archive created with PKWare's PKZIP archiver.
2. (tool, compression) A program to list, test, or extract files from a ZIP archive, commonly found on MS-DOS systems. zip, creates ZIP archives; both programs are compatible with archives created by PKWARE's PKZIP and PKUNZIP for MS-DOS. Last updated: 1995-03-06
