Virtually the most widely used compression and archiving program for DOS is the PKZIP . Zipped files all end with . ZIP and can be uncompressed and unarchived with PKUNZIP.

• 事实上使用最广泛的DOS环境下的压缩和归档程序是PKzip。所有以，zip结尾的文件都能用PKUNzip程序做还原和释放。