Extended Memory.

The Finder "Compress" option creates a pkZip archive. Here is how to compress and extract with the command line. Compress: ditto -c -k --sequesterRsrc --keepParent src_directory archive.zip To

Set Extended Print/Save dialog defaults write /Library/Preferences/.GlobalPreferences NSNavPanelExpandedStateForSaveMode 1 defaults write /Library/Preferences/.GlobalPreferences