Mid ka mid ah sifooyinka ugu neceb Windows Vista waa Control Account User^{(User Account Control)} , ama UAC oo gaaban. Dad badan ayaa dhibsaday waxayna doorteen inay joojiyaan isla markaaba, xitaa haddii ay tani la macno tahay inay nidaamkooda u soo bandhigaan khataro amni oo dheeraad ah. Gudaha Windows 7 , Microsoft si dhab ah ayey u bedeshay habkan. Hadda isticmaalayaashu waxay leeyihiin xakameyn badan oo dheeraad ah iyo sida ay u shaqeyso waana inay bixiso khibrad isticmaale oo wanaagsan. Si aad u aragto inta ay tani ka dhigan tahay tirooyinka, waxaan sameeyay isbarbardhigga u dhexeeya Windows Vista caadiga ah iyo Windows 7 heerarka UAC . Aan aragno midka guuleysta iyo sababta.

Sharaxaadda Benchmark^(Benchmark) : Waxa aan tijaabiyay

Marka hore, waxaan raadiyay liiska dhammaan hawlaha u baahan mudnaanta maamul ee kicin kara degdega UAC . Waxaan ku bilaabay liiskan shayada kuwaas oo kicinaya maamulka Koontada Isticmaalaha^{(list of items which trigger User Account Control prompts)} ee Ed Bott oo aan u habeeyey xoogaa si ay ugu habboonaato intii suurtagal ah Windows 7 iyo Windows Vista labadaba .

Liiska imtixaannada aan galay waa kuwan:

• U socodsiinta arjiga maamule ahaan^{(Running an application as an Administrator)} - Waxaan codsiyada random ka maamule ahaan, anigoo xaq u gujinaya jidadkooda gaaban oo dooranaya 'Orod sida maamule'^{('Run as administrator')} . Tan waxa la sameeyaa marka aad u baahan tahay in la isticmaalo codsiyada duug ah, socon kara oo kaliya Windows XP , oo u baahan helitaanka nidaamka faylalka iyo goobaha.
• Isbeddelka faylasha iyo faylalka Windows iyo faylalka Barnaamijka^{(Changes to files and folders in the Windows and Program Files folders)} - Waxaan isku dayay inaan wax ka beddelo faylalka nidaamka random ee laga helay galka Windows iyo Files^{(Program Files)} labadaba . Waxa kale oo aan isku dayay in aan sameeyo galal cusub ka dibna tirtiro.
• Ku rakibida codsiyada^{(Installing applications)} -Waxaan ku rakibay dhowr codsiyo, laga bilaabo CD-ga gubanaya ilaa plugins browser iyo software antivirus.
• Uninstalling Applications – Waxaan uninstall-ka saaray isla liiska codsiyada loo adeegsaday layliga rakibaadda.
• Rakibaadda & uninstall-ka darawallada aaladaha^{(Installing & uninstalling device drivers)} - si tan loo tijaabiyo, waxaan ku rakibay darawallada dhammaan qaybaha ku jira PC-ga ka dibna waan ka saaray.
• Ku rakibida kontaroolada ActiveX^{(Installing ActiveX controls)} - tijaabadan waxaan ActiveX ka adeegsaday Nvidia boggiisa soo dejinta darawalka^{(Nvidia's driver download page)} .
• Beddelida goobaha loogu talagalay Windows Firewall^{(Changing settings for Windows Firewall)} - iyada oo Windows Firewall karti u leeyahay, waxaan habeeyey qaar ka mid ah habaynteeda iyo xeerarkeeda.
• Beddelidda dejinta UAC^{(Changing UAC settings)} - tijaabadan waxaan daaray oo damiyay sifada Koontooyinka Isticmaalaha^{(User Account Control)} .
• Dejinta Dejinta Cusbooneysiinta Windows^{(Configuring Windows Update Settings)} - Waxaan bedelay habaynta Cusbooneysiinta Windows^{(Windows Update)} .
• Ku darista ama ka saarista akoonnada isticmaalaha^{(Adding or removing user accounts)} - Waxaan sameeyay oo tirtiray akoonno isticmaale oo badan, labadaba isticmaalayaasha caadiga ah iyo maamulayaasha.
• Beddelka nooca koontada isticmaalaha^{(Changing a user's account type)} - tijaabadani waxay ku lug lahayd beddelka nooca xisaabaadka imtixaanka laga bilaabo heerka una beddelo maamule iyo ku xigeenka.
• Dejinta kontaroolada Waalidka^{(Configuring Parental Controls)} - Imtixaankan waxaan u dejiyay xeerar kala duwan oo ah kantaroolka waalidka^{(Parental Controls)} ee xisaabaadka isticmaalaha.
• Jadwalka Hawsha socodsiinta^{(Running Task Scheduler)} - Imtixaankani waa mid cajiib ah. Gudaha Windows Vista , haddii aad ka shaqeyso Jadwalka Hawsha ee^{(Task Scheduler)} Bilawga Start Menu -> Accessories -> System Tools , wax dareen UAC^(UAC) ah lama tuso. Si kastaba ha noqotee, haddii aad ka maamusho Control Panel -> System and Maintenance -> Administrative Tools , waxaad helaysaa UAC degdeg ah. Sidaa darteed, waxaan ka soo qaatay habka gaaban ee Control Panel ee Windows Vista iyo Windows 7 labadaba .
• Soo Celinta & Soo Celinta Faylasha iyo Dejinta Isticmaalka Kaabta & Soo Celinta ama Wareejinta Fudud ee Windows^{(Backup & Restore Files and Settings Using Backup & Restore or Windows Easy Transfer)} - Waxaan isticmaalay labada qalabba si aan u kaydiyo oo u soo celiyo xogta isticmaalaha iyo goobaha.
• Daawashada ama bedelida galka iyo faylalka isticmaale kale^{(Viewing or changing another user's folders and files)} - tani waxay la macno tahay in laga dhex dhex raadiyo galka isticmaale kale, ku darista iyo ka saarida faylasha iyo faylalka.
• Defragmenter Running^{(Running Disk Defragmenter)} - Waxaan u orday qalabkan si aan u furfuro dhowr darawal
• Isbeddellada habaynta nidaamka-ballaaran^{(Changes to system-wide settings)} - Waxaan beddelay dejinyo kala duwan oo ku dhex jira tufaaxa Guddiga Xakamaynta^{(Control Panel)} , oo ay ku jiraan siyaasadaha amniga.

Dhammaan tijaabooyinkan waxa lagu maamulay heerarkii UAC ee^{(UAC levels)} caadiga ahaa . Windows Vista^{(Windows Vista)} tani waxay la macno tahay in UAC uu shid inta uu ku jiro Windows 7 , waxay la macno tahay in uu shid oo dejiyo 'Ogaysii kaliya marka barnaamijyadu isku dayaan in ay isbeddel ku sameeyaan kombiyuutarkayga'^{('Notify only when programs try to make changes to my computer')} .

Natiijooyinka Imtixaanka

Natiijooyinka imtixaanku waxa lagu soo koobay shaxda hoose.

Gudaha Windows Vista , degdega UAC ayaa kacday dhammaan 17ka xaaladood. In Windows 7 , kaliya 5.5 iyaga ka mid ah. Nuska dhibcaha ayaa loo qoondeeyay sababtoo ah, marka la furayo codsiyada qaar, Windows 7 wuxuu muujin karaa isla markiiba UAC . Tani waxay dhacdaa kaliya marka aad uninstall-ka ka saarto codsiyada kuwaas oo wax ka beddelaya goobaha muhiimka ah ee nidaamka. Imtixaanadii aan orday, kaliya uninstall-ka Microsoft Silverlight plugin ayaa kiciyay degdega UAC , halka dhammaan codsiyada kale aysan dhicin. Iyada oo ku xidhan nooca codsiyada aad la shaqaynayso, laga yaabaa inaadan waligaa la kulmin degdeg UAC marka la furayo codsiga.

Sida aad ku arki karto garaafka hoose, gudaha Windows 7 kulama kulmi doontid fariimaha UAC^(UAC) ugu yaraan 11 ka mid ah xaaladaha uu Windows Vista ka dhaliyay mid.

Tani waxay ka dhigan tahay hoos u dhac ku dhow 67%, iyadoo ku xiran sida aad u isticmaasho PC-gaaga iyo kuwaas oo ah hawlaha ugu badan ee aad qabato.

Gabagabo

Marka ay timaado in UAC Benchmark , Windows 7 si fudud u guulaysto oo leh farqi weyn oo ay raalli. Waxay u muuqataa in Microsoft ay fiiro gaar ah u leedahay faallo-celinta isticmaalaha oo ay si dhab ah u beddeshay habkan. UAC hadda aad ayey uga dhib yar tahay sidii ay ahayd Windows Vista isticmaalayaashuna waxay yeelan doonaan khibrad xisaabeed oo ka wanaagsan. Su'aasha kaliya ee hadhay: hirgelinta cusub ee UAC ma tahay mid sugan sidii tii hore? Waqti^(Time) ayaa sheegi doona haddii ay taasi jirto iyo in kale.

Windows 7 vs. Windows Vista: the UAC Benchmark

One of the most hated features of Windows Vista is the User Account Control, or UAC in short. Many people found it annoying and chose to disable it right away, even if this meant exposing their system to additional security threats. In Windows 7, Microsoft has seriously changed this feature. Now users have a lot more control over it and how it works and it should provide a better user experience. To see how much improvement this means in numbers, I have run a comparison between the default Windows Vista and Windows 7 UAC levels. Let's see which one wins and why.

Benchmark Description: What I Tested

First, I searched for the list of all tasks which require administrative privileges which can trigger an UAC prompt. I started with this list of items which trigger User Account Control prompts from Ed Bott and customized it a bit to be as relevant as possible for both Windows 7 and Windows Vista.

The list of tests I ran is the following:

• Running an application as an Administrator - I ran random applications as an administrator, by right-clicking on their shortcuts and choosing 'Run as administrator'. This is done when you need to use older applications, compatible only with Windows XP, and which need access to system files and settings.
• Changes to files and folders in the Windows and Program Files folders - I tried to edit random system files found in both Windows and Program Files folders. I also tried to create new folders and then delete them.
• Installing applications -I installed several applications, from CD burners to browser plugins and antivirus software.
• Uninstalling applications - I uninstalled the same list of applications used in the installation exercise.
• Installing & uninstalling device drivers - in order to test this, I installed drivers for all the components in my PC and then I uninstalled them.
• Installing ActiveX controls - for this test I used the ActiveX from Nvidia's driver download page.
• Changing settings for Windows Firewall - with Windows Firewall enabled, I customized some of its settings and rules.
• Changing UAC settings - for this test I turned on and off the User Account Control feature.
• Configuring Windows Update Settings - I changed the Windows Update settings.
• Adding or removing user accounts - I created and deleted multiple user accounts, both as standard users and administrators.
• Changing a user's account type - this test involved changing the type for one of the test accounts from standard to administrator and vice-versa.
• Configuring Parental Controls - for this test I set different Parental Controls rules for different user accounts.
• Running Task Scheduler - this test is pretty weird. In Windows Vista, if you run the Task Scheduler from Start Menu -> Accessories -> System Tools, no UAC prompts are shown. However, if you run it from Control Panel -> System and Maintenance -> Administrative Tools, you do get an UAC prompt. Therefore I ran the shortcut from the Control Panel in both Windows Vista and Windows 7.
• Backup & Restore Files and Settings Using Backup & Restore or Windows Easy Transfer - I used both tools to backup and restore user data and settings.
• Viewing or changing another user's folders and files - this meant browsing through another user's folder, adding and removing files and folders.
• Running Disk Defragmenter - I ran this tool to defragment several drives
• Changes to system-wide settings - I changed different settings in the Control Panel applets, including security policies.

All these tests were run with the default UAC levels. In Windows Vista this means having UAC turned on while in Windows 7, it means having it turned on and set to 'Notify only when programs try to make changes to my computer'.

Test Results

The test results are summarized in the table below.

In Windows Vista, an UAC prompt is triggered in all 17 scenarios. In Windows 7, in only 5.5 of them. The half of point was assigned due to the fact that, when uninstalling some applications, Windows 7 can show an UAC prompt. This happens only when you uninstall applications which modify important system settings. In the tests I ran, only the uninstall of the Microsoft Silverlight plugin triggered an UAC prompt, while all other applications did not. Depending on what type of applications you are working with, you might never encounter an UAC prompt when uninstalling an application.

As you can see in the graph below, in Windows 7 you will not encounter UAC prompts in at least 11 of the scenarios where Windows Vista triggered one.

This means a reduction of approximately 67%, depending on how you use your PC and which are the most common tasks you perform.

Conclusion

When it comes to the UAC Benchmark, Windows 7 wins easily and with a huge difference in its favor. It seems that Microsoft has paid attention to user feedback and has seriously tweaked this feature. UAC is now a lot less annoying than it was in Windows Vista and users will have a better computing experience. The only question that remains: is the new UAC implementation as secure as the previous one? Time will tell if that's the case or not.

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