另外，xsp for linux有没有64位的
如果没有，在64位linux加能不能稳定运行mono32位版本
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Will Novell port Mono to my architecture/operating system?
In the past Novell has done ports of Mono to new architectures and operating systems. We have done this for internal Novell needs (x86-64, Itanium and with Neale's help to s390, s390x) or for customer needs (PowerPC).
Novell is certainly open to adding support for new architectures, but there are a number of variables: is the port going to benefit a large segment of users, hardware requirements and adequate funding.
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Linux没有所谓WOW64，所以64位Linux上面只能运行64位的应用。
现在Mono已经支持x86-64的Linux平台，具体你可以从下载页面查看详情，
http://www.go-mono.com/mono-downloads/download.html