$ unzip -v
UnZip 5.52 of 28 February 2005, by Info-ZIP.  Maintained by C. Spieler.  Send
bug reports using http://www.info-zip.org/zip-bug.html; see README for details.

Latest sources and executables are at ftp://ftp.info-zip.org/pub/infozip/ ;
see ftp://ftp.info-zip.org/pub/infozip/UnZip.html for other sites.

Compiled with gcc 4.2.1 Compatible Apple LLVM 7.0.0 (clang-700.0.59.1) for Unix on Jul 31 2015.

UnZip special compilation options:
	COPYRIGHT_CLEAN (PKZIP 0.9x unreducing method not supported)
	SET_DIR_ATTRIB
	TIMESTAMP
	USE_EF_UT_TIME
	USE_UNSHRINK (PKZIP/Zip 1.x unshrinking method supported)
	USE_DEFLATE64 (PKZIP 4.x Deflate64(tm) supported)
	VMS_TEXT_CONV
	[decryption, version 2.9 of 05 May 2000]

UnZip and ZipInfo environment options:
           UNZIP:  [none]
        UNZIPOPT:  [none]
         ZIPINFO:  [none]
      ZIPINFOOPT:  [none]