Unalz is a console version of tzip, a multiplatform open source Alzip extractor (http://www.kipple.pe.kr/win/tzip/). Unalz supports alzipped archives including multivolume archives (.alz, .a00, .a01, ...), .bz2, raw formats, and large files over 2GB. Currently, it does not support password-protected archives and CRC checking.