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Web Hosting - Managing Disk Space
Few things are less exciting than managing the disk space that always seems to be in too short a supply. But few things are more important to the health and well being of your site.
The most obvious aspect of managing disk space is the need to have enough. If you have only a few dozen web pages, that's not an issue. But as the amount of information (web pages, database content and more) grows, the quantity of free space goes down.
That's important for two reasons.
All permanent information on a computer is stored on hard drives. Temporary information is often stored in memory only. The two components are completely separate, though they are sometimes confused with one another. As the amount of free space on the hard drive decreases several effects occur.
Here's one way to picture them...
Imagine you had a table with a certain area and you lay out playing cards on the table. At first, you lay them out in order, the 2 at the side of the 3, then 4, and so on. But then you pick up one or two cards from the middle and discard them. Then you add some more cards. Pretty soon things look pretty random.
Now cover the cards with a big opaque sheet of paper.
You want the cards to appear in order when displayed to someone. A special robot could be designed to always pick up the cards from underneath the sheet in order. Or, it could slide a hole in the sheet over the cards to display them in the correct order (2, 3, 4, ...), no matter what order they are really in. That's similar to how the operating system always shows you information in a sensible way, even though it's actually stored randomly.
Why should you care?
Real files are stored in pieces scattered around the drive wherever there is space for them. The more free space there is, the quicker the operating system can find a place to store a new piece. That means, if you delete the junk you no longer need (and free up more space) the system actually runs quicker. It helps create space you might need, and allows the operating system to store files for you faster.
But there's a second effect.
As you delete old files or change them, the pieces get more and more scattered. It takes the 'robot' longer and longer to fetch or display the 'cards' in order. Existing files are fetched and put together 'on the fly' (say, when you request a graphical page or a list of names). But, it takes longer to put together the web page when there are more scattered pieces.
So, the other aspect of managing disk space is to keep the pieces of the files more or less in order. A utility that does that is called a 'de-fragger' or de-fragmentation program. You can request that a system administrator run it, or if you have the authority, you can run it yourself. That keeps the 'cards' in order and allows for quicker access to them.
So, managing disk space involves chiefly three things: (1) keeping enough space to store what you need to store, and also (2) keeping enough free space to make new file storage quick and (3) making old file retrieval fast by keeping things orderly.
When only a few files are involved the benefit isn't worth the effort. But as the number and size of the files grow, to thousands of files or several gigabytes of data, the effect becomes more noticeable. Keeping things organized then makes a significant difference in performance.
Much of this can be automated using utilities. Some will delete files in a certain folder older than a certain date. A de-fragger can be set to run automatically during times of light usage, or quietly in the background at all times. Discuss the options with your system administrator and help him or her do the job better by keeping your house in order. You'll benefit by having a better performing web site.
Copyright law Understanding Copyright Law Copyright law is a set of laws that is used to regulate things such as movies, plays, poems, musical compositions, drawings, paintings, sculptures, software, photographs, sculptures, literary works, choreographic works, radio broadcasts, televisions broadcasts and more. Copyright law is only regulated to cover the manner or form in which the information or material is expressed. For instance, it does not cover the idea or facts which are represented in a work. In instances where a copyright does not exist, patents or trademarks may be in place which can impose legal restrictions. Copyright law states that the holder of the copyright has the right to make copies or reproduce the work to sell. They can also export or import the work, create derivative or adaptation of the original work, display or perform the work publicly and assign or sell the rights to someone else. Copyright law is set up to protect people from having someone do something with their copyrighted work or material. Someone that has a copyright may choose to exploit their copyrighted work, or they may choose not to. Many people debate whether copyright law and copyrights are moral rights or merely property rights. It is important to note that in the U.S. copyright law covers protection for published and unpublished works. Copyright law protection covers a work from the time it is created in a tangible form. The author or creator of the work immediately holds the copyright to the work and it is the property of the author or creator. No one else can claim copyright to it, unless the original copyright holder (the author or creator) gives or sells the rights to another person. Many people fail to understand that merely owning or possessing a work does not give them the copyright to it. Just because you have ownership of a copyrighted work does not mean that you own the copyright. Likewise, if you copy someone’s work and list their name on it, you are undertaking copyright infringement. Many people also fail to understand when copyright protection is secured. The moment a work is written or created and it is in physical tangible form or recorded it falls under copyright law. While it is recommended to register your work through the Copyright Office, if your work is not registered and someone steals your work, they have violated your copyright. Using a copyright notice is not required by law. However, many recommended that the copyright notice or symbol be used so remind the general public that the piece is under copyright. Anything that is created after 1977 is protected by copyright law for the lifetime of the author of the creator, plus an additional 70 years after the creator’s death. The public domain is a good source of information that is no longer under a copyright or work that was never under a copyright to begin with. Virtually all works that were created or published in the United States prior to 1923 are said to be in the public domain. Things that can be found in the public domain that are free of copyright law generally include generic facts and information, works that have a lapse in their copyrights (this encompasses works that were created prior to 1978) and materials and information put out by the United States government. In addition, you may find works in the public domain that are free of copyright law because it has been dedicated to the public domain. How to Avoid Spam and Junk Email and Still Enjoy Freebies Free stuff is great, but when you are facing an inbox that is literally choking on spam, than you may find yourself wondering just how free your freebies really are. Spam and junk email are the unwanted consequences of cashing in on great free deals online, and it is enough to keep some people away from freebie offers entirely. Here’s the good news, however – you might not able to stop the spammers in their tracks completely, but there are a lot of things you can do to keep the annoyance caused by junk email to a minimum. Get on the defensive and reclaim the control you have over your inbox. Rule number one for cashing in on freebies is to set up a separate email account that you use only for your free stuff hunting. There are tons of web based email programs that you can join for free, and you can use these new email accounts as your point of contact for the companies from who you get freebie offers. After all, giving your email address to a company is simply part of getting freebies – that is why the company is giving away freebies in the first place. They want to collect your email address so they can email you about their products and hopefully convince you to shell out some cash for them in the future. By protecting your main email address, you can easily control the amount of spam you have to wade through when you just want to read your personal or business emails. You know that a company wants your email address in a exchange for a freebie, and you know why they want it, but what you might not know is that not all companies are created equal when it comes to it how the treat your email address. To know this, you have to check out a company’s privacy policy. Some companies will allow you to opt out of all future emails, including the ones from them, meaning in theory that your email address should never end up on any junk email solicitation list after your get your freebie. Other companies don’t let you opt out of their emails, but they let you choose whether or not they can give your address to partner companies who have products to offer that you “might be interested in.” With these companies, at least you can keep the amount of solicitations to a minimum. Still other companies follow a “no holds barred” kind of plan, in which they are allowed to share your email address with anyone they choose. These last kinds of companies are the kinds that end up loading you up with the spam, because they often sell the lists of email addresses they collect to companies that send out spam messages. Proceed with caution when a company has a policy like this one. If you can’t find a privacy policy at all on the website from which you are getting your freebie, then it might be best to move on to a different free offer. Another spam reducing trick that a lot of people miss out on is ignoring spam completely. Don’t open your spam messages, and whatever you do, don’t ask to be removed from a mailing list. That might seem like the logical way to stop the spam, but all you do when you do that is confirm to the spammers that their email is going to a real, live person. Last but not least, if even your dedicated freebie email address is gasping under the pressure of the spam, abandon it and start a new one. If you collect freebies on a regular basis, the word will eventually get out and the junk emailers will find you. Start a new address and get a clean slate. |