Archive for March, 2008

Web hosting ecommerce - 2.Click the Switch User button. 3.Click the name

Monday, March 31st, 2008

2.Click the Switch User button. 3.Click the name or picture of the new user account you just created; then wait. It takes a minute or two to get a new account all squared away. You don t haveto do anything except be patient. Eventually, you ll be taken to the Windowsdesktop. Right off the bat, you ll notice something about this desktop itmight not look exactly like yours. When you create a new user account, the new user s desktop is a clone of whata desktop looks like when you first install Windows or when you buy a newcomputer with Windows XP preinstalled. That s because every user accounthas its own desktop. Since this is a new user account, it gets a fresh desktop. If you peek into the My Documents, My Pictures, or My Music folders in thisnew user account, you won t see any of your documents either. The new userhas his or her own My . . . folders, separate from yours. If you click the Startbutton, you ll notice some differences there, too. This user will have access toall the programs you do. But any customizing you ve done on your Start menuwon t be visible in the new user account. Getting Back to Your Own User AccountTo get back to your own user account, and perhaps do more work on this newaccount, or create more accounts, follow these steps: 1.Click the Start button; click Log Off. 2.Click the Log Off button. 3.Click your own user account name or picture. You ll be taken back to your own user account, where things will be just as youleft them. Changing a User AccountFrom this point on, each user can actually manage his or her own account. Butas the all-powerful administrator, you re free to manage their accounts forthem. For starters, you might want to change the picture that Windows gave tothe account. Like everything else that has to do with managing user accounts, you ll make changes in the User Accounts window. Follow these steps tochange an existing user account: STEPS:Change an Existing User Account1.Click the Start button and choose Control Panel. 2.Open the User Accounts icon.
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Figure 23-3:The User Accounts window3.Click Create a New (Web server setup)

Sunday, March 30th, 2008

Figure 23-3:The User Accounts window3.Click Create a New Account. 4.As instructed, type the new user s name; click the Next button. 5.Choose whether you want to make this new user an administrator orlimited user; click Create Account. The new user account name andpicture appear in the User Accounts window. While you re in the User Accounts window, you can use the Backand Home buttons in its toolbar to navigate through screens. Useoptions under Learn aboutin the Explorer bar to get more infor- mation on any page. 6.Close the User Accounts window by clicking the Close (X) button inits upper-right corner. Don t worry about the account picture, password, or privacy settings. You canchange those at any time. If this is your first experience with user accounts, take a moment to get familiar with the new account. Logging on to a New AccountWhen you first create a new user account, it s really little more than a place- holder. Windows doesn t actually create that user s My . . . folders until theuser (or you) logs into the account. To really get the job done and to make iteasier to configure the account additionally, you should log in to the account. Here s a quick and easy way to do that: 1.Click the Start button and choose Log Off from the bottom of theStart menu.
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To prevent this from happening, (Disney web site) you need to

Sunday, March 30th, 2008

To prevent this from happening, you need to password-protectyour user account. That is, you need to think of a password and write it down. After you password- protect your account, only you can get into your user account. Clicking youruser account icon in the Welcome screen won t take you, or anybody else, tothe desktop or into your account. Instead, a prompt will appear, asking for thepassword. Only a person who knows that password can type it and get to thedesktop. Anybody taking a wild guess will be rejected and locked out of youraccount. You never want to forget your own password; presumably, you re the onlyperson on the planet who knows it. If youforget the password, there snobody else to ask! So those are some things to consider when planning user accounts for a personal computer. It boils down to how much power you want to allow eachuser (person) and how much privacy you want for your own account. To keepeveryone even other administrators out of your account, you can makeyour account private and password-protected. You ll get to choose youroptions as you create the account. Optionally, you can go in and changethosechoices at any time. The Guest AccountWindows XP has a built-in Guest account, which you can activate while you resetting up accounts. That account isn t ascribed to any one person. Rather, it sa catch-all account for anyone who doesn t have a user account. For example, let s say you re having a houseguest who wants to be able to usethe computer once in a while. You don t want to create a user account for yourguest, so you just let the person use the Guest account. Like a limited user, aguest won t be able to make any substantial changes to the overall computersystem but will be able to do the day-to-day things that a regular computeruser needs to do. As described in the section Activating/Deactivating theGuest Account, later in this chapter, whether or not you even have a Guestaccount is entirely up to you. How to Create a User AccountCreating a use account is a simple a wizard will take you through the wholeprocedure. Think of the name you want to give the account first (just the per- son s first name will do), and think about whether or not you want make thisperson an administrator or limited user. Then follow these steps: STEPS:Create a New User Account1.Click the Start button and choose Control Panel. 2.In Control Panel, open the User Accounts icon. Icons for user accountscurrently defined on your computer appear in the User Accountswindow, as in Figure 23-3.
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Web hosting contract - Table 23-1Differences Between Administrators and Limited UsersCapabilityAdministratorLimited UserInstall

Saturday, March 29th, 2008

Table 23-1Differences Between Administrators and Limited UsersCapabilityAdministratorLimited UserInstall programs and hardwareYesNoCreate and delete user accountsYesNoChange other peoples user accountsYesNoChange your own user account typeYesNoChange your own user account pictureYesYesCreate, change, or remove your own passwordYesYesSee other people s documentsMaybeNoPrivate Documents versus Shared DocumentsYou no doubt notice that I write maybeas to whether or not an administratorcan see other peoples documents. That s because there s no rule that saysthere can be only one administrator user account on the computer. You canhave any number of administrator accounts and/or limited accounts. How youset up your user accounts is entirely up to you. An administrator can always look at the documents created and stored by limited users. That is, there s no way limited users can keep an administratorfrom peeking at their files. So what about two different administrator accounts? If you create an administrator account for yourself, you can make its documentsprivate, which means nobody else on the computer can see your documents not even other administrators. Password-Protecting a User AccountRecall that the Welcome screen, shown in Figure 23-1, displays an icon for eachperson who has a user account on the computer. Now imagine that you re theuser named Owner, and you re also the only administrator of the computer. Allother users have user accounts. Suppose that the user named Wilbur is sittingalone at the computer, looking at the Welcome screen. Wilbur decides he wantsto be administrator for a while. So, rather than clicking his own user accounticon, he clicks yours. Can the computer seethat it s really Wilbur sitting at the computer and keephim from logging into your account? Of course not, because computers don thave eyes or brains. They re just machines that wouldn t know a human beingfrom a golf ball. So the computer assumes you are logging in, displays yourdesktop, and grants all administrative powers. Wilbur then has free reignoveryour user account and all your administrative privileges. As far as thecomputer is concerned, Owner, not Wilbur, is controlling the keyboard.
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Free web servers - Figure 23-2:Each user account has its own desktop

Friday, March 28th, 2008

Figure 23-2:Each user account has its own desktop and My . . . folders, but everyone has access to Shared . . . folders. Administrators versus Limited UsersWhen two or more people share a computer, and each person has a useraccount, one or more persons usually play the role of administrator. Theadministrator has limitless power over the computer, in that she can look atother peoples stuff (as in spying on what kinds of things the kids are up to), create (and take away) user accounts, install new hardware and software, make system-wide changes (things that affect all user accounts), and so forth. A limiteduser can still use the computer normally. However, a limited usercan t do certain things. For example, a limited user can t see other peoples documents and can t make big changes to the computer that might affectother users. Only the administrator can do the big things. That s because theadministrator is (presumably) the most knowledgeable user and, therefore, gets to be the person in control. Table 23-1 summarizes the differencesbetween administrator and limited-user capabilities.
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Free php web host - folder, and so forth. It s the next best

Thursday, March 27th, 2008

folder, and so forth. It s the next best thing to each person having a PC. Best ofall, it doesn t cost a penny. What s a User Account? You might wonder how Windows XP will know who is using the computer afteryou define multiple user accounts. Here s how that works. If you re currentlythe only person on this computer who has a user account, you re probablytaken straight to the Windows desktop after you start your computer. Afteryou add one or more user accounts, it won t work that way anymore. Instead, when the computer first starts up, you ll be taken to a Welcome screen, likethe example shown in Figure 23-1. Figure 23-1:The Welcome screen for a computer with multiple user accountsEach one of those user names on the Welcome screen represents a useraccount. As mentioned, each user account will have its own desktop and itsown My Documents folder (and subfolders). You could also set up each useraccount to have its own separate e-mail and .NET Passport, as if each useraccount were an entirely separate PC. However, unlike having separate PCs, all of the user accounts will have accessto the Shared Documents folder and all of its subfolders. For example, if youput a bunch of songs in the Shared Music folder, anybody who logs onto thecomputer can play the songs, create CDs from the songs, and so forth. Butthatsame wouldn t be true if you put those songs in your My Music folder. Anything in your My… folders will be invisible and inaccessible to other users. Figure 23-2 illustrates the concept. When you start creating user accounts, Windows will ask whether you wantthe user to be an administrator or limited user.
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2323CHAPTERCreating andManagingUser AccountsThe whole idea behind a personal (Apache web server)

Wednesday, March 26th, 2008

2323CHAPTERCreating andManagingUser AccountsThe whole idea behind a personal computer (orPCfor short) is that it s supposed to be personal. Unlike a terminal on some large corporate network, where you re just one of many users on a network, youare in complete control of your PC; you get todecide how things look on the screen. You get todecidehow you want to organize your documents. Youget to decide what programs you do and don t want on your computer. When two or more people use the same PC, some of thepersonal parts of PC get lost in the shuffle. For example, let s say Sally is one user, and she has everything on herscreen set up just the way she likes. She has her ownMy Documents folder that she keeps organized and soforth. Then user Bob comes along, plops down at thesame computer, and starts changing things the way hewants them. Sally gets back on the computer and findsthat Bob has totally messed things up for her. Sally is not happy with Bob. Sally wants to keep thingsherway. One solution is to give each user his or her own sepa- rate PC. That way, nobody steps on anybody else s toes. You can, however, see the downside to that approachright away it costs a lot of money to give each persona separate PC. The other solution is to give each personone user accounton the same PC. When you do that, each user has his or her own desktop, My Documents …In This ChapterWhat s a user account? How to create a a useraccountKeeping yourdocuments privateSigning into, and user accountsSnooping through …
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Freelance web design - Have It YourWayHere s a part title that really

Tuesday, March 25th, 2008

Have It YourWayHere s a part title that really scores big in the origi- nality department; I ll probably get sued or some- thing. Other phrases like personalizing your computer or customizing your computer are just too many syllables. Besides, people have been using that expres- sion for ages. Like at the end of an argument: Fine, have it your way. (Followed by the unspoken yamoron or worse.) Anyway, after you get the hang of how to work a PC andcan actually get it to do what you want, tweaking it outcan be fun maybe give the screen a little personality, so it doesn t look exactly like everyone else s; add somenew programs; maybe even let other people use the PC(as long as they stay away from your stuff). Most ofthese things are easy to do. So what the heck, go aheadand have it your way.* *Not spoken in aforementioned argumentative tone. …In This PartChapter 23Creating andManaging UserAccountsChapter 24Personalizing YourDesktopChapter 25Expanding Your 26Disaster Prevention …VIVIPART29
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Never attempt to change a file s type just (Kids web site)

Monday, March 24th, 2008

Never attempt to change a file s type just by changing its file name exten- sion. It won t work, and you ll make the file unreadable. To make the filereadable again, you ll need to rename it, giving it back its original extension. Realize that we re talking strictly about the sizes of the files, in bytes, here, notthe size of the picture as it appears on the screen. If you look at the bitmapand JPEG images side by side on the screen, they re identical. Yet in terms ofdisk storage, the bitmap image is 55 times larger than the JPEG. This brings me to another point. Many file types are already compressed. Andadding them to a zip file does little to shrink them further. Some examples offile types that are already compressed include MP3 and WMA music files, MPEG and WMV movies, and, of course, the aforementioned JPEG images. None of these files needs to be decompressed for use. They re already smallbecause the compression is built in. Compressing files that are already in a compressed format won t buy youmuch. For example, the bitmap format used in my previous example isn t compressed at all. Recall that compressing a bitmap image reduced it from55,000KB to 18,000KB a difference of 37,000KB. When I compress the JPEGversion of that same picture, the JPEG shrinks from 1,200KB to 1,100KB amere 100KB difference. So I guess the moral of the story is that it s better toknow the file types and actual sizes of your files than it is to ignore actualsizesand just assume that zipping a file is the only way to make it smaller. Of course, when it comes to e-mailing multiple files to people, zip files stilloffer the benefit of combining multiple files into one file (kind of like orderingabunch of products and having them all shipped to you in one box rather thanin many little boxes). And that s convenient whether the files shrink a lot, or alittle, in the process. SummaryAlrighty then; let s do a quick recap of the main points in this chapter: .Zip files, also called compressed folders, are a means of combiningand compressing one or more files into a single, smaller file. .You can compress files using Windows XP or a third-party zip pro- gram, but not both. .To compress files, select their icons in Windows Explorer, right-click, and choose Send To.Compressed (zipped) folder. .When you receive a zip file as an e-mail attachment, or download onefrom the Internet, you ll probably find it easiest to save it to yourhard disk first. .To extract the files from a zip file, right-click the zip file s icon andchoose Extract All.
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Figure 22-8:About to decompress a zip (Freelance web design) file (extract

Sunday, March 23rd, 2008

Figure 22-8:About to decompress a zip file (extract the files from it) The extracted file(s) open in Windows Explorer on your screen. Those are normal files that you can open by double-clicking. If you click the Up buttoninExplorer s toolbar, or choose View.Go To.Up One Level from Explorer smenu bar, you ll be taken to the parent of the files, where you ll see the iconfor the uncompressed file. Its icon will be a normal folder icon, as in Figure22-9. You can delete the zip file once you have the extracted files on hand. Youwon t really need the zip file anymore, unless you just want to keep it asabackup. Figure 22-9:Use the extracted files in the regular folder. You can delete the zip file if you like. Weird Compression FactsZip files aren t the only way to shrink large files. They re not even the best way. Sometimes, you can get a lot more compression just by changing the file type. For example, I recently downloaded some pictures from the Hubble Telescopesite (www.hubble.com). They were mostly huge bitmap (.bmp) files. The largestone came in at a hefty 55,000K, a trivial amount of disk space but definitely onthe large size for one photograph. Out of curiosity, I packed it into a zip file. Thezip file ended up being about 18,000K, a considerable amount of compression. Next, I opened the original bitmap file in a graphics program and saved it asaJPEG file. (Choose File.Save As from the graphics program s file menu. Choose JPEG form the Save As Type drop-down list in the Save As dialog box.) When I looked at the JPEG image, it was about 1,200KB much smaller thanthe compressed bitmap image. Folder containingextracted filesOriginalzip file510Part
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