New things in Zip 2.3 - IBM OS/390 port (Unix like, but EBCDIC) by Paul von Behren - Apple Macintosh (MACOS) port by Dirk Haase - Theos port by Jean-Michel Dubois - Multibyte characterset support by Yoshioka Tsuneo - Support for ISO 8601 date format with -t and -tt options - Info-ZIP license New things in Zip 2.2 - BEOS port by Chris Herborth - QDOS port by Jonathan Hudson - TANDEM port by Dave Smith - WINDLL port (16-bit Win 3.x and 32-bit WinNT/Win95) by Mike White - SYSV packages support by John Bush - zip -P SeCrEt encrypts entries in the zip file with password SeCrEt (WARNING: THIS IS INSECURE, use at your own risk) - zip -R recurses into subdirectories of current dir like "PKZIP -rP" - zip -x@exclude.lst excludes files specified in the file exclude.lst - zip -i@include.lst includes files specified in the file include.lst - zip -@ only handles one filename per line, but supports whitespace in names - zip -t mmddyyyy, 4 digit year number for uniqueness of years beyond 2000 - zip -tt mmddyyyy only includes files before a specified date