-d, --to-deb
Make debian packages. This is the default.
-r, --to-rpm
Make rpm packages.
-t, --to-tgz
Make tgz packages.
--to-slp
Make slp packages.
-p, --to-pkg
Make Solaris pkg packages.
-i, --install
Automatically install each generated package, and remove the
package file after it has been installed.
使用方法：
就可以把deb包转化为rpm包 同样-d也可以转化回来 参数请使用
man alien
自行查看