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l&nbsp;companies&nbsp;like&nbsp;Red&nbsp;Hat&nbsp;will&nbsp;make&nbsp;money&nbsp;by&nbsp;charging&nbsp;for&nbsp;services.&nbsp;Therefore&nbsp;<BR>,&nbsp;commercial&nbsp;support&nbsp;services&nbsp;for&nbsp;Linux&nbsp;will&nbsp;be&nbsp;fee-based&nbsp;and&nbsp;will&nbsp;likely&nbsp;be&nbsp;<BR>&nbsp;priced&nbsp;at&nbsp;a&nbsp;premium.&nbsp;These&nbsp;costs&nbsp;have&nbsp;to&nbsp;be&nbsp;factored&nbsp;into&nbsp;the&nbsp;total&nbsp;cost&nbsp;mo&nbsp;<BR>del.&nbsp;<BR>Linux&nbsp;is&nbsp;a&nbsp;UNIX-like&nbsp;operating&nbsp;system&nbsp;and&nbsp;is&nbsp;therefore&nbsp;complex&nbsp;to&nbsp;configure&nbsp;&nbsp;<BR>and&nbsp;manage.&nbsp;Existing&nbsp;UNIX&nbsp;users&nbsp;may&nbsp;find&nbsp;the&nbsp;transition&nbsp;to&nbsp;Linux&nbsp;easier&nbsp;but&nbsp;&nbsp;<BR>administrators&nbsp;for&nbsp;existing&nbsp;Windows?-based&nbsp;or&nbsp;Novell&nbsp;environments&nbsp;will&nbsp;find&nbsp;&nbsp;<BR>it&nbsp;more&nbsp;difficult&nbsp;to&nbsp;handle&nbsp;the&nbsp;complexity&nbsp;of&nbsp;Linux.&nbsp;This&nbsp;retraining&nbsp;will&nbsp;ad&nbsp;<BR>d&nbsp;significant&nbsp;costs&nbsp;to&nbsp;Linux&nbsp;deployments.&nbsp;<BR>Linux&nbsp;is&nbsp;a&nbsp;higher&nbsp;risk&nbsp;option&nbsp;than&nbsp;Windows&nbsp;NT.&nbsp;For&nbsp;example&nbsp;how&nbsp;many&nbsp;certifie&nbsp;<BR>d&nbsp;engineers&nbsp;are&nbsp;there&nbsp;for&nbsp;Linux?&nbsp;How&nbsp;easy&nbsp;is&nbsp;it&nbsp;to&nbsp;find&nbsp;skilled&nbsp;development&nbsp;&nbsp;<BR>and&nbsp;support&nbsp;people&nbsp;for&nbsp;Linux?&nbsp;Who&nbsp;performs&nbsp;end-to-end&nbsp;testing&nbsp;for&nbsp;Linux-base&nbsp;<BR>d&nbsp;solutions?&nbsp;These&nbsp;factors&nbsp;and&nbsp;more&nbsp;need&nbsp;to&nbsp;be&nbsp;taken&nbsp;into&nbsp;account&nbsp;when&nbsp;choos&nbsp;<BR>ing&nbsp;a&nbsp;platform&nbsp;for&nbsp;your&nbsp;business.&nbsp;<BR>Myth:&nbsp;Linux&nbsp;is&nbsp;more&nbsp;secure&nbsp;than&nbsp;Windows&nbsp;NT&nbsp;<BR>----------------------------------------------------------------------------&nbsp;<BR>----&nbsp;<BR>Reality:&nbsp;Linux&nbsp;Security&nbsp;Model&nbsp;Is&nbsp;Weak&nbsp;<BR>All&nbsp;systems&nbsp;are&nbsp;vulnerable&nbsp;to&nbsp;security&nbsp;issues,&nbsp;however&nbsp;it's&nbsp;important&nbsp;to&nbsp;not&nbsp;<BR>e&nbsp;that&nbsp;Linux&nbsp;uses&nbsp;the&nbsp;same&nbsp;security&nbsp;model&nbsp;as&nbsp;the&nbsp;original&nbsp;UNIX&nbsp;implementatio&nbsp;<BR>ns--a&nbsp;model&nbsp;that&nbsp;was&nbsp;not&nbsp;designed&nbsp;from&nbsp;the&nbsp;ground&nbsp;up&nbsp;to&nbsp;be&nbsp;secure.&nbsp;<BR>Linux&nbsp;only&nbsp;provides&nbsp;access&nbsp;controls&nbsp;for&nbsp;files&nbsp;and&nbsp;directories.&nbsp;In&nbsp;contrast,&nbsp;&nbsp;<BR>every&nbsp;object&nbsp;in&nbsp;Windows&nbsp;NT,&nbsp;from&nbsp;files&nbsp;to&nbsp;operating&nbsp;system&nbsp;data&nbsp;structures,&nbsp;&nbsp;<BR>has&nbsp;an&nbsp;access&nbsp;control&nbsp;list&nbsp;and&nbsp;its&nbsp;use&nbsp;can&nbsp;be&nbsp;regulated&nbsp;as&nbsp;appropriate.&nbsp;<BR>Linux&nbsp;security&nbsp;is&nbsp;all-or-nothing.&nbsp;Administrators&nbsp;cannot&nbsp;delegate&nbsp;administrat&nbsp;<BR>ive&nbsp;privileges:&nbsp;a&nbsp;user&nbsp;who&nbsp;needs&nbsp;any&nbsp;administrative&nbsp;capability&nbsp;must&nbsp;be&nbsp;made&nbsp;&nbsp;<BR>a&nbsp;full&nbsp;administrator,&nbsp;which&nbsp;compromises&nbsp;best&nbsp;security&nbsp;practices.&nbsp;In&nbsp;contrast&nbsp;<BR>,&nbsp;Windows&nbsp;NT&nbsp;allows&nbsp;an&nbsp;administrator&nbsp;to&nbsp;delegate&nbsp;privileges&nbsp;at&nbsp;an&nbsp;exceptiona&nbsp;<BR>lly&nbsp;fine-grained&nbsp;level.&nbsp;<BR>Linux&nbsp;has&nbsp;not&nbsp;supported&nbsp;key&nbsp;security&nbsp;accreditation&nbsp;standards.&nbsp;Every&nbsp;member&nbsp;o&nbsp;<BR>f&nbsp;the&nbsp;Windows&nbsp;NT&nbsp;family&nbsp;since&nbsp;Windows&nbsp;NT&nbsp;3.5&nbsp;has&nbsp;been&nbsp;evaluated&nbsp;at&nbsp;either&nbsp;a&nbsp;&nbsp;<BR>C2&nbsp;level&nbsp;under&nbsp;the&nbsp;U.S.&nbsp;Government's&nbsp;evaluation&nbsp;process&nbsp;or&nbsp;at&nbsp;a&nbsp;C2-equivalen&nbsp;<BR>t&nbsp;level&nbsp;under&nbsp;the&nbsp;British&nbsp;Government's&nbsp;ITSEC&nbsp;process.&nbsp;In&nbsp;contrast,&nbsp;no&nbsp;Linux&nbsp;&nbsp;<BR>products&nbsp;are&nbsp;listed&nbsp;on&nbsp;the&nbsp;U.S.&nbsp;Government's&nbsp;evaluated&nbsp;product&nbsp;list.&nbsp;<BR>Linux&nbsp;system&nbsp;administrators&nbsp;must&nbsp;spend&nbsp;huge&nbsp;amounts&nbsp;of&nbsp;time&nbsp;understanding&nbsp;th&nbsp;<BR>e&nbsp;latest&nbsp;Linux&nbsp;bugs&nbsp;and&nbsp;determining&nbsp;what&nbsp;to&nbsp;do&nbsp;about&nbsp;them.&nbsp;This&nbsp;is&nbsp;made&nbsp;comp&nbsp;<BR>lex&nbsp;due&nbsp;to&nbsp;the&nbsp;fact&nbsp;that&nbsp;there&nbsp;isn't&nbsp;a&nbsp;central&nbsp;location&nbsp;for&nbsp;security&nbsp;issues&nbsp;&nbsp;<BR>to&nbsp;be&nbsp;reported&nbsp;and&nbsp;fixed.&nbsp;In&nbsp;contrast&nbsp;Microsoft&nbsp;provides&nbsp;a&nbsp;single&nbsp;security&nbsp;r&nbsp;<BR>epository&nbsp;for&nbsp;notification&nbsp;and&nbsp;fixes&nbsp;of&nbsp;security&nbsp;related&nbsp;issues.&nbsp;<BR>Configuring&nbsp;Linux&nbsp;security&nbsp;requires&nbsp;an&nbsp;administrator&nbsp;to&nbsp;be&nbsp;an&nbsp;expert&nbsp;in&nbsp;the&nbsp;&nbsp;<BR>intricacies&nbsp;of&nbsp;the&nbsp;operating&nbsp;system&nbsp;and&nbsp;how&nbsp;components&nbsp;interact.&nbsp;Misconfigur&nbsp;<BR>e&nbsp;any&nbsp;part&nbsp;of&nbsp;the&nbsp;operating&nbsp;system&nbsp;and&nbsp;the&nbsp;system&nbsp;could&nbsp;be&nbsp;vulnerable&nbsp;to&nbsp;att&nbsp;<BR>ack.&nbsp;Windows&nbsp;NT&nbsp;security&nbsp;is&nbsp;easy&nbsp;to&nbsp;set&nbsp;up&nbsp;and&nbsp;administer&nbsp;with&nbsp;tools&nbsp;such&nbsp;as&nbsp;<BR>&nbsp;the&nbsp;Security&nbsp;Configuration&nbsp;Editor.&nbsp;<BR>Myth:&nbsp;Linux&nbsp;can&nbsp;replace&nbsp;Windows&nbsp;on&nbsp;the&nbsp;desktop&nbsp;<BR>----------------------------------------------------------------------------&nbsp;<BR>----&nbsp;<BR>Reality:&nbsp;Linux&nbsp;Makes&nbsp;No&nbsp;Sense&nbsp;at&nbsp;the&nbsp;Desktop&nbsp;<BR>Linux&nbsp;as&nbsp;a&nbsp;desktop&nbsp;operating&nbsp;system&nbsp;makes&nbsp;no&nbsp;sense.&nbsp;A&nbsp;user&nbsp;would&nbsp;end&nbsp;up&nbsp;with&nbsp;<BR>&nbsp;a&nbsp;system&nbsp;that&nbsp;has&nbsp;fewer&nbsp;applications,&nbsp;is&nbsp;more&nbsp;complex&nbsp;to&nbsp;use&nbsp;and&nbsp;manage,&nbsp;an&nbsp;<BR>d&nbsp;is&nbsp;less&nbsp;intuitive.&nbsp;<BR>Linux&nbsp;does&nbsp;not&nbsp;provide&nbsp;support&nbsp;for&nbsp;the&nbsp;broad&nbsp;range&nbsp;of&nbsp;hardware&nbsp;in&nbsp;use&nbsp;today;&nbsp;<BR>&nbsp;Windows&nbsp;NT&nbsp;4.0&nbsp;currently&nbsp;supports&nbsp;over&nbsp;39,000&nbsp;systems&nbsp;and&nbsp;devices&nbsp;on&nbsp;the&nbsp;Ha&nbsp;<BR>rdware&nbsp;Compatibility&nbsp;List.&nbsp;Linux&nbsp;does&nbsp;not&nbsp;support&nbsp;important&nbsp;ease-of-use&nbsp;tech&nbsp;<BR>nologies&nbsp;such&nbsp;as&nbsp;Plug&nbsp;and&nbsp;Play,&nbsp;USB,&nbsp;and&nbsp;Power&nbsp;Management&nbsp;<BR>The&nbsp;complexity&nbsp;of&nbsp;the&nbsp;Linux&nbsp;operating&nbsp;system&nbsp;and&nbsp;cumbersome&nbsp;nature&nbsp;of&nbsp;the&nbsp;ex&nbsp;<BR>isting&nbsp;GUIs&nbsp;would&nbsp;make&nbsp;retraining&nbsp;end-users&nbsp;a&nbsp;huge&nbsp;undertaking&nbsp;and&nbsp;would&nbsp;add&nbsp;<BR>&nbsp;significant&nbsp;cost&nbsp;<BR>Linux&nbsp;application&nbsp;support&nbsp;is&nbsp;very&nbsp;limited,&nbsp;meaning&nbsp;that&nbsp;customers&nbsp;end&nbsp;up&nbsp;hav&nbsp;<BR>ing&nbsp;to&nbsp;build&nbsp;their&nbsp;own&nbsp;horizontal&nbsp;and&nbsp;vertical&nbsp;applications.&nbsp;A&nbsp;recent&nbsp;report&nbsp;<BR>&nbsp;from&nbsp;Forrester&nbsp;Research&nbsp;highlighted&nbsp;the&nbsp;fact&nbsp;that&nbsp;today&nbsp;93&nbsp;percent&nbsp;of&nbsp;enter&nbsp;<BR>prise&nbsp;ISVs&nbsp;develop&nbsp;applications&nbsp;for&nbsp;Windows&nbsp;NT,&nbsp;while&nbsp;only&nbsp;13&nbsp;percent&nbsp;develo&nbsp;<BR>p&nbsp;for&nbsp;Linux.3&nbsp;<BR>Summary&nbsp;<BR>The&nbsp;Linux&nbsp;operating&nbsp;system&nbsp;is&nbsp;not&nbsp;suitable&nbsp;for&nbsp;mainstream&nbsp;usage&nbsp;by&nbsp;business&nbsp;&nbsp;<BR>or&nbsp;home&nbsp;users.&nbsp;Today&nbsp;with&nbsp;Windows&nbsp;NT&nbsp;4.0,&nbsp;customers&nbsp;can&nbsp;be&nbsp;confident&nbsp;in&nbsp;deli&nbsp;<BR>vering&nbsp;applications&nbsp;that&nbsp;are&nbsp;scalable,&nbsp;secure,&nbsp;and&nbsp;reliable--yet&nbsp;cost&nbsp;effect&nbsp;<BR>ive&nbsp;to&nbsp;deploy&nbsp;and&nbsp;manage.&nbsp;Linux&nbsp;clearly&nbsp;has&nbsp;a&nbsp;long&nbsp;way&nbsp;to&nbsp;go&nbsp;to&nbsp;be&nbsp;competiti&nbsp;<BR>ve&nbsp;with&nbsp;Windows&nbsp;NT&nbsp;4.0.&nbsp;With&nbsp;the&nbsp;release&nbsp;of&nbsp;the&nbsp;Windows&nbsp;2000&nbsp;operating&nbsp;syste&nbsp;<BR>m,&nbsp;Microsoft&nbsp;extends&nbsp;the&nbsp;technical&nbsp;superiority&nbsp;of&nbsp;the&nbsp;platform&nbsp;even&nbsp;further&nbsp;&nbsp;<BR>ensuring&nbsp;that&nbsp;customers&nbsp;can&nbsp;deliver&nbsp;the&nbsp;next&nbsp;generation&nbsp;applications&nbsp;to&nbsp;solv&nbsp;<BR>e&nbsp;their&nbsp;business&nbsp;challenges.&nbsp;<BR>More&nbsp;information&nbsp;<BR>Customer&nbsp;Testimonials&nbsp;<BR>See&nbsp;how&nbsp;these&nbsp;leading&nbsp;companies&nbsp;and&nbsp;organizations&nbsp;have&nbsp;deployed&nbsp;Windows&nbsp;NT&nbsp;S&nbsp;<BR>erver&nbsp;4.0:&nbsp;<BR>Nasdaq&nbsp;<BR>Barnes&nbsp;&amp;&nbsp;Noble&nbsp;<BR>Dell&nbsp;Computer&nbsp;Corp&nbsp;<BR>The&nbsp;Boeing&nbsp;Company&nbsp;<BR>Chicago&nbsp;Stock&nbsp;Exchange&nbsp;<BR>Performance&nbsp;Data&nbsp;<BR>See&nbsp;Industry&nbsp;Benchmarks&nbsp;Show&nbsp;Windows&nbsp;NT&nbsp;Server&nbsp;4.0&nbsp;Outperforms&nbsp;Linux&nbsp;<BR>Footnotes&nbsp;<BR>1.&nbsp;Siemens&nbsp;&amp;&nbsp;SuSE&nbsp;announced&nbsp;a&nbsp;patch&nbsp;in&nbsp;September&nbsp;1999&nbsp;to&nbsp;extend&nbsp;to&nbsp;4&nbsp;GB,&nbsp;alt&nbsp;<BR>hough&nbsp;this&nbsp;is&nbsp;not&nbsp;part&nbsp;of&nbsp;the&nbsp;2.2&nbsp;Kernel&nbsp;or&nbsp;major&nbsp;distributions.&nbsp;<BR>2.&nbsp;Linux:&nbsp;How&nbsp;Good&nbsp;Is&nbsp;It?&nbsp;D.&nbsp;H.&nbsp;Brown&nbsp;Associates&nbsp;Inc.&nbsp;April&nbsp;1999&nbsp;<BR>3.&nbsp;Forrester&nbsp;Research,&nbsp;Software&nbsp;Vendors&nbsp;Crown&nbsp;Server&nbsp;OS&nbsp;Kings,&nbsp;Aug.&nbsp;31,&nbsp;1999&nbsp;<BR>&nbsp;<BR>--&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;__&nbsp;_&nbsp;<BR>&nbsp;&nbsp;&nbsp;/&nbsp;/(_)_&nbsp;__&nbsp;&nbsp;_&nbsp;&nbsp;&nbsp;___&nbsp;&nbsp;__&nbsp;&nbsp;&nbsp;MrX&nbsp;(LordX)&nbsp;<BR>&nbsp;&nbsp;/&nbsp;/&nbsp;|&nbsp;|&nbsp;'_&nbsp;\|&nbsp;|&nbsp;|&nbsp;\&nbsp;\/&nbsp;/&nbsp;&nbsp;&nbsp;OpenICQ&nbsp;ID:&nbsp;292109&nbsp;<BR>&nbsp;/&nbsp;/__|&nbsp;|&nbsp;|&nbsp;|&nbsp;|&nbsp;|_|&nbsp;|&gt;&nbsp;&nbsp;&lt;&nbsp;&nbsp;&nbsp;<BR>&nbsp;\____/_|_|&nbsp;|_|\__,_/_/\_\&nbsp;&nbsp;&nbsp;<A HREF="mailto:"></A>&nbsp;<A HREF="mailto:LordX@chinaren.com">LordX@chinaren.com</A>&nbsp;<BR>&nbsp;<BR>※&nbsp;來源:·BBS&nbsp;水木清華站&nbsp;smth.org·[FROM:&nbsp;166.111.64.190]&nbsp;<BR><CENTER><H1>BBS水木清華站∶精華區</H1></CENTER></BODY></HTML>

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