OS X: hdiutil tips

For one reason or another, I find myself needing to convert a .dmg file to .iso for use in Windows. A quick "hdiutil" command can handle this:

hdiutil convert filename.dmg -format UDTO -o filename.iso

Another handy use for hdiutil is creating encrypted .dmg files:

hdiutil create -encryption -stdinpass -srcfolder ImageName
filename.dmg