InformationWeek: Sun Solaris To Linux: Size Matters After All

“Sun Microsystems is about to up the ante in the open source
race, adding a 128-bit file system to its Solaris 10 operating
system so that users can leave behind any worries about ever
exhausting their virtual memory space…

“Linux, Microsoft Windows Vista, and most Unix systems employ
either 32-bit or 64-bit file systems, which for the next 10 years
are likely to be able to handle the needs of the largest computer

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