libaio 是怎么东西?安装oracle时缺这个

meteormk2

error: Failed dependencies:
libaio >= 0.3.96 is needed by oracle-xe-10.2.0.1-0.1.i386


这个是装mysql-query-browser时缺少的
error: Failed dependencies:
libORBit-2.so.0 is needed by mysql-query-browser-1.1.12-1.rh9.i386
libbonobo-2.so.0 is needed by mysql-query-browser-1.1.12-1.rh9.i386
libbonobo-activation.so.4 is needed by mysql-query-browser-1.1.12-1.rh9.i386
libbonoboui-2.so.0 is needed by mysql-query-browser-1.1.12-1.rh9.i386
libgailutil.so.17 is needed by mysql-query-browser-1.1.12-1.rh9.i386
libgconf-2.so.4 is needed by mysql-query-browser-1.1.12-1.rh9.i386