SuperDuper is a solution for Mac computers that makes backups for entire operating system. Instead spending time reinstalling Mac OS, with this tool you are able to perform backups and restores anytime you need. May be a good alternative for Clonezilla, in case you use it.
Is working for all major Mac versions such as Lion, Leopard etc. Simplify your life making hard drive backups and cloning operations with this program.
If free for main tasks and offers paid upgrade to access additional features such as scheduling or scripting.