Michele's wiki/blog

→ In Tiger, one can disable the built-in support for PDF in Safari by doing

defaults write com.apple.Safari WebKitOmitPDFSupport -bool YES

→ The Acrobat Safari plug-in can be disabled in Acrobat Preferences

→ Acrobat's own plug-ins (many of them!) can be disabled from the Get Info dialog for the Acrobat application