Operating Systems Features

How To: Hack a wireless network with WEP encryption

This video tutorial is in the Computers & Programming category which will show you how to hack a wireless network with WEP encryption. This video is intended only as a means of testing the security of your own network. Go to Backtrack Linux, download the backtrack4 and burn it to a DVD. Now put it in a computer with a wireless card and restart the computer so that it boots to the DVD. When it boots up, type "startx" to start the interface. Bring up the command prompt and type in "/etc/init.d/...

How To: Increase and decrease application font size in OS X

Wouldn't it be handy if, while running Mac OS X, you could enlarge some of the fonts and applications like Mail or Safari? Some of those fonts can be relatively small. All you need to do to increase font size in an OS X application is to press the command, shift and plus keys. To make a font smaller, in turn, all you need do is press the command, shift and minus keys. For more on using these key commands to obviate the need for squinting, watch this Apple tutorial.

How To: Hack the computer password for Vista

This video shows how to hack the computer password for Vista. We can change the computer password without knowing the actual password. First go to Start menu. Type in the Search "cmd". Then right click on that folder and run as administrator. Then we get a pop up. Type in their net users. Pick the user that we want to hack into. After picking the user type in net user the username and then * . After typing this hit enter key and it should say the command completed successfully and we have to ...

How To: Open PowerPoint in Keynote

If you're new to OS X, you may have seen Apple's presentation software, Keynote, but you might also have a lot of PowerPoint files lying around. After a while of watching the same fonts, images, transitions and builds, those presentations can seem a little dated or unoriginal. If you want to try to liven things up, import them into Keynote. Simply open Keynote, select import an existing file, and chose a PowerPoint presentation. That's it. For a step-by-step video demonstration, watch this OS...

How To: Take a screen-shot with your keyboard

Internet4Dummies shows how to take a screen-shot of your desktop screen using your keyboard and a photo-editing software like Microsoft-Paint, in this walk-through video first you have to navigate or arrange your screen as desired to be captured in the snapshot. Then using the print screen key the whole desktop screen can be captured. This image can be edited by any photo editing software for ease of use Microsoft Paint is used in this example. For this just open Paint and paste the screen-sh...

How To: Permanently delete previously deleted files on a Mac

The guy in this video shows us how to permanently delete files on a Mac. First one would click on your desktop so the finder pops up and one would go to "utilities" and click "disk utilities". Next, one would click on the disk which they would like to clear, then click "erase" and then click "erase free space". After clicking, a box will pop up asking if you want to erase 0 times which clears the disk 1 time, 7 times which clears the disk 7 times to delete unwanted files, or 35 times, which r...

How To: How Long Would It Take to Crack Your Password?

If you have any doubt about how secure that strong password you created really is, there's an easy way to check online. Just visit HowSecureIsMyPassword.net, which uses a combination of math and statistics to determine how long it would take for a PC to crack your password. It's sponsored by Dashlane, one of the top password managers available, and also gives you tips on how to make your password or passphrase stronger. The site claims the password submitted is not sent over the web, and its ...

How To: Open ISO files using WinRAR

In this video tutorial, viewers learn how to open ISO files, using Winrar. An ISO file is in an "image" of an entire CD or DVD. It contains all the contents of the disk. Begin by opening Winrar. Go to Options and select Settings. Go to the Integration tab and check ISO. Now Winrar will be able to associate with ISO file. Press OK. Users just need to right-click the file and select extract. It is the same as a ISO extractor program. This video will benefit those viewers who have Winrar and wou...

How To: Reset or remove a forgotten Windows 7 admin password

In this video, we learn how to reset or remove a forgotten Windows 8 admin password. First, log onto your Windows 7 account, then reboot your computer insert a disc that has the PassCape disc in it. After this, you can go through all the steps to change your password and choose which accounts you need to gather the information from. After you do this, click through the different steps and when you finish, you will be able to log onto your user account and change the password on it. After this...

How To: Boot Windows or Ubuntu from a USB flash drive

Create a bootable USB flash drive to keep an extra OS of Windows or Ubuntu. You always want to have a copy of your Linux or Windows operating system on a separate device other than your computer. Because even if your computer or laptop is relatively new, it's very easy for some random fluke - an internal error or virus - to completely shut you down when you least expect it.

How To: Open Windows mail attachments on a Mac

When you're a Windows OS user it's very easy to send out attachments on emails as .doc documents, made in Microsoft Office or Excel. But just because you're a Windows user doesn't mean your friend or coworker is. Or say that you're a MAC user and your friend keeps loading you with Microsoft Office documents. What do you do, other than telling him to stop already?

How To: Import pictures and photos into Keynote presentations

Keynote can make your photos and images look amazing. It also makes them easy to work with. If you have, for example, four different file formats of different images, rather than dragging each of them into a presentation and trying to create a slide, you can grab all four and drag them right into the slide navigator and have full image slides ready to go. Just press play. For more, watch this friendly OS X tutorial.

How To: Mount ISO files using Ubuntu terminal command line

In this video tutorial, viewers learn how to mount ISO files without burning DVD. This task is very fast, easy and simple to do. The first way is to simply right-click on the ISO file, go to Open With and select Open with "Archive Mounter". The second way is to open the Terminal program and type in the command line: sudo mount -o loop -t iso9660.ISO [directory]. Users will need to create a directory before using the terminal command line. Finish by pressing the Enter key. This video will bene...

How To: Reset an admin password with Windows Password Key

Have you lost of forgotten your administrator password in Windows? There's no way you can do anything without it, so how to do you get your password back? Well, you're not going to be able to get it back, but you can reset it, and Windows Password Key can help. This tutorial will show you the steps to removing your lost Windows password and resetting it altogether.

How To: Create a bootable Windows 7 repair disc on a USB drive

In this how to video, you will learn how to create a system repair disc on a bootable USB flash drive without having to burn a CD for your Windows 7 system. First, plug in your USB drive and create new folders in it. Name the first folder boot and the second sources. Next, open a command prompt and type in the cd c:\recovery, dir /a:sh, and so forth as shown. Once you have typed in the proper commands in the prompt, eject the flash drive. Restart the computer with the drive plugged in. Boot f...