Hot Operating Systems Posts

How To: Restore deleted files with Encase from NTFS USB drive

Use Encase to open the drive after the document has been deleted. The deleted file will show up in the program and will have a red circle with a line through it showing that it was previously deleted. The window on the bottom of the screen will show the document context so you can verify that it is the correct one. Right click on the file and click 'copy/unerase' to restore the document. Down in the bottom right hand corner you will see the progression of the copying to the chosen file destin...

How To: Set your mouse cursor to leave a trail on screen

See how you can make your mouse cursor leave a trail behind it. First, go to "Start" and then "Control Panel". Then go to "Printers" and "Other Hardware" and then "Mouse". A new window should pop up and you should go click on the "Pointer Options" and then select the length of the trail you want your cursor to leave behind. It's easy to set your mouse cursor to leave a trail on your computer screen.

How To: Recover deleted files in Ubuntu using Testdisk

This video shows the method to recover deleted files in Ubuntu using Testdisk. The demonstration is done by deleting a set of pictures and recovering them later. The test disk is installed at first. Then we click on the terminal icon and go to the list options available. These include selecting the list of drives available, partition table type and the type of file system in the original photos. Then the system asks you to select the part to be analyze and destination folder. The tool then re...

How To: Edit or remove the Windows 7 watermark

Editing or removing the watermark on your Windows 7 computer can seem like a difficult task. But in fact, it's made easier with videos like this one here. In this tutorial, you'll find out what you exactly need to do in order to get rid of or change the watermark left on your Windows 7 desktop. Good luck!

How To: Eject devices from the use of the terminal for a Mac

In this tutorial, we learn how to eject devices from the use of the terminal for Mac. First, go to the terminal of your computer where you will see a notepad sort of page. Next, type in "df" and then press return. You will now see a list displaying processes on your computer. On the bottom will be your public zoning device, which is your USB device. Next, type in "hdiutil eject -force (the code under "mounted on)- volumes-publiczone". This is not case sensitive, but don't forget or add in any...

How To: Hide secret files inside JPEG images on Windows

Looking for a fun way to send secret messages to your friends? Check out this clip. If you need to hide a file from someone on a shared PC or are looking to secretly exchange information with a friend, this clip is for you. In this tutorial you will learn how to hide any file inside an image or JPEG on your Windows computer so that no one will be able to see it. Check it out!

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: 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: Identify your system specifications in Windows XP

In this video from exosploit we learn how to find your system specs in Windows XP. If someone is trying to help your computer, you might need this information. Right click My Computer, and click Properties. Here you'll see your operating system, service pack, and how much RAM you have. Also google cpuz. Go to the first link and download it. Extract it and click the main file. Here it will tell you your processor, mother board, what bios version you have, how much RAM you have, and it will tel...

How To: Send & receive files over Bluetooth on a Windows 7 PC

Interested in transmitting and receiving files via Bluetooth on your Windows 7 computer (to download pictures from your phone, for example?). This clip will show you how it's done. It's simple! So simple, in fact, that this home-computing how-to can present a complete, step-by-step overview of the process in just over two minutes. For more information, including complete, step-by-step instructions, take a look.

How To: Make Windows 7 look & feel like Mac OSX

So you bought a PC and now you want a Mac... You don't necessarily have to shell out the couple thousand bucks it takes to buy a new Mac. In this tutorial, learn how to make your Windows 7 operating system look & feel like a Mac OSX operating system. To complete this tutorial, follow these steps:

How To: Get a keynote presentation to play in Windows

It is a great video tutorial about how to create a keynote presentation to run on a windows platform. After opening the keynote presentation, click on file menu and open up the export window. This window shows different file formats and types. By using this we can export a quick time movie, an html, PDF, images, flash or a PowerPoint presentation file.

How To: Disable secure virtual memory in Mac OS X

This video will show you how to disable secure virtual memory in Mac OS X. From the top left of your screen click on the apple icon. Click on system preferences from the pull down menu. Click on the security icon. Click on the image of the closed lock from the bottom left of the window so that you can change make changes.

How To: Retrieve hidden windows passwords

Check out this computer hacking video tutorial from Unorthodox Hacking. The subject of today... hidden Windows passwords. This is a short episode with a fast pace is intended to expose a few of the areas where Windows hides stored authentication credentials. Be very cautious the next time you use a public kiosk!

How To: Make an animation with a batch file

CtrlFormula teaches you how to make an animation with a batch file. Before you begin you must know that sending batch files over the internet is risky, so keep that in mind. You create a new .txt file and type in: @echo off. Hit Enter twice and type in: echo loading. Then hit Enter once and type: ping localhost -n 2 >null. Hit Enter once and type in: cls. Copy and paste this structure three times. For each loading you see you have to add another dot at the end, so the animation will slowly go...

How To: Install FreeDOS in Ubuntu Linux

The author show how to install FreeDos which is a free open source version of DOS. He shows how FreeDos is made up of many programs and how they are contributed by many people over the internet. He show how to install the DOS in a Virtual PC. He explains that all the old DOS programs can be easily run in this FreeDos application. All the old DOS applications and games which were available then can be easily run in this program and the author even suggests to contribute to this open source pro...

How To: Remove noise from audio files in Ubuntu with Audacity

In this tutorial, we learn how to remove noise from audio files in Ubuntu with Audacity. To do this, you will first open up Audacity and then open up your audio file. To get rid of the noise, you will highlight the area with just the noise, not anything else. Now, go to 'effect', 'noise removal' from the top toolbar. Now, click 'get noise profile' and right after this you will need to select the whole file. After this, go back to the noise removal toolbar and click 'ok'. From here, you will s...

How To: Change the administrator password in Windows XP

Locked yourself out of your Windows Professional system? No problem—this video tutorial will show you the steps required to change the administrator's password in Windows XP. You can actually change this password without knowledge of the original one. To get started, go to Start > Run… and type in mmc to open up the console window. Watch the video to figure out where to go from there.

How To: Delete temporary files in Windows XP

In this video it is demonstrated that how to delete temporary files in Windows XP. There are two different methods for deleting temporary files. First of all go to and click "start" then go to "run" and type temp now click on ok, then a window will appear, in this window there are all useless files, select all files and delete it. Now the other method is go to "run" and type %TEMP%, after clicking ok a window will appear in which there are useless folders and files, select all folders and fil...

How To: Extract .rar files on your PC using Windows XP

In this video tutorial, viewers learn how to extract .rar files. Begin by opening your internet browser and go to Google. Search for Winrar and select the 3rd result. Download and save the file. It is recommended to save it to the desktop to find it easier. Double-click on the file and follow the instructions to install it. Click Install and check all the file types for the program to be associated with. Once finished, open a file, select Extract To and choose the destination to save it. This...