cnet: Red Hat, the top-ranked seller of the Linux operating system, has expanded chip support for its corporate version of the open-source operating system and plans a major change to Fedora, its hobbyist product, in coming days.

In Red Hat Enterprise Linux 3, Update 2, released Wednesday, the Linux seller added support for Intel's 64-bit "x86" processors and IBM's Power processor-based JS20 blade servers. In addition, the update adds 64-bit versions of developer tools for Intel's Itanium and Xeon chips and Advanced Micro Devices' Opteron.

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