"Despite the relentless march of Linux, major vendors believe
commercial Unix releases aren't ready for the scrapheap yet.
"As Linux evolves from its single-processor roots into
larger-scale applications, many market watchers have predicted that
it will eventually replace the remaining commercial Unixes:
Hewlett-Packard's HP-UX, Sun Microsystem's Solaris, IBM's AIX and
"'It costs between $150 million and $200 million a year to
generate your own Unix system and you then have to say to yourself
'Am I going to see that amount of extra revenue if I put in these
features?'' Linux International executive office Jon 'maddog' Hall
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