linux64位系统RAR解压压缩

RAR archiver: * RAR introduces an original compression algorithm. It provides high compression ratios on executable files, object libraries, large text files, etc. * RAR provides functionality for creating a 'solid' archive, which can raise the compression ratio by 10% - 50% over more common methods, particularly when packing large numbers of small files. * RAR offers the ability to create and change SFX archives using default and external SFX modules. * RAR offers the ability to create a multi-volume archive as SFX. * RAR offers a number of service functions, such as encrypting files, adding archive comments and repairing physically damaged archives.