Hot Operating Systems How-Tos

How To: Erase your hard drive from the Mac OS X terminal

Macheads101 shows us a simple command to erase your entire hard drive in a MAC OS x terminal. You can either log in as administrator and simply type "rm -rf /" to format or you can just type "Sudo rm -rf /" to start. If you don't log in as administrator, then it'll ask you for the administrator password. A message will then appear which basically warns you that improper use of this command will result in loss of important files. Next type in "sudo mount -uw /" to edit the file command system....

How To: Clean Up Hard Drive Space by Deleting iOS Device Backup Folders from iTunes

By now, you probably know that your iPhone secretly tracks and stores the locations you've visited in a backup folder on your computer's hard drive. The files are unencrypted, which means anyone with access to your computer or device can retrieve the information, which is downright scary. But Pete Warden and Alasdair Allan are making it fun with their iPhone Tracker application, which lets you map out everywhere you've been with your smartphone.

How To: Test your system performance in Windows 7

In this video tutorial, viewers learn how to test their system performance. Begin by clicking on the Start menu and select Control Panel. Then click on System and Security, and select "Check the Windows Experience Index" under System. Now click on "Rate this computer". The system will then begin to run some tests. This will take about 1-2 minutes. The Windows Experience Index assesses key system components on a scale of 1.0 to 7.9. This video will benefit those viewers who use a Windows 7 com...

How To: Flip your computer screen upside down in MS Vista

This video is a quick guide on how to turn your computer screen up side down. If you have Windows Vista, right click on mouse and go to graphics properties. Go to display settings. On the rotation box, choose the desired angle of rotation. Click apply and hit OK to confirm settings. For the keyboard shortcut, click control+alt+down arrow key to turn screen up side down. Click control+alt+right arrow key to turn screen to the left. Click control+alt+left arrow key to turn screen to the right. ...

How To: Share Local Drives and Folders using Oracle VM VirtualBox with a Guest Windows OS

There are several virtual machine managers present in the market. However, the main functionality of all VMs are the same. Most people like to get free VM managers, so that they can install as many operating systems as they like over the host operating systems. One of these free VM managers is Oracle's VM VirtualBox, which can be downloaded from Oracle's website for all popular operating systems, such as Linux, Windows and Mac.

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...

How To: Organize files and folders in Windows 7

Top-Windows-Tutorials is a great site dedicated to Windows tutorials for almost all things Windows. Whether you are a computer novice or an expert in Windows operating systems, you'll find useful information in these guides catering to your level of expertise. These user friendly and easy to follow free Windows tutorials will show you all that you can do with your Windows PC.

How to Find the C: drive on my Mac

In this tutorial, we learn how to find the C drive on a Mac computer. Unfortunately, Mac does not label their drives with letters like other computer systems do. You can name your drives anything you'd like, including "backup", "my network", "my folder", or anything else you want. To find these, just open up the Mac finder and the devices on the computer will show up with their icons. This can make things easier if you are having trouble moving things around. Making them your own names makes ...

How To: Delete temporary files in Ubuntu, Linux Mint or Debian

This video tutorial in Computers & Programming category will show you how to delete temporary files in Ubuntu, Linux Mint or Debian. For this you will need the program called bleachbit. You could get it from Bleachbit Sourceforge/ or from Synaptic package manager. For synaptic manager, click on ‘package manager’ in the ‘start’ menu and log into the program by typing your password. Then search for ‘bleachbit’, download and install it. Go to ‘terminal’, type in ‘su’ and enter, then type in your...

How To: Password protect any folder on your desktop in Windows

In this tutorial, we learn how to password protect any folder on your desktop in Windows. First, right click on your desktop, then go to "new", then "compressed zipped folder" and name it whatever you want. Next, put what you want inside of the folder. After you've done this, open the folder then go to "file" and then "add a password". Pick a password that you will remember and type it into the text box, after you do this, click on "ok". Now your folder will be password protected and you will...

How To: Check If Windows XP Is Activated

Some people might check their activation status of Windows XP by simply right-clicking on the My Computer icon on their desktop, then clicking on Properties. It opens up a new window with General tab showing some basic information about your PC, like system info, registered to, and computer hardware. However, it does not actually tell us complete information about the system, like whether or not your current copy of Windows XP is activated or not. To check the complete details about your Wind...

How To: Find details about your RAM & processor type in XP

In this how-to video, you will learn how to check your personal computer's RAM, processor speed, and operating system information on Windows XP. First, go to start and select my computer. From here, click view system information to open a new window. A screen will show you the information you need, such as the type of operating system you are running, the size and speed of the processor, and the amount of ram you have. Click okay to exit this window. This will be helpful for doing upgrades or...

How To: Take screenshots in Windows XP with Print Screen

In this video, the instructor shows us how to take a screen shot off of Windows XP. First, you will want to pull up the screen that you want to take a screen shot of. After you have this up, you will hit the "Alt" and "Prnt Scrn" button at the same time. Nothing will show up on your computer, but it will have saved the image. Next, open up the program "Paint" and click "edit" on the top toolbar, then click "paste". The image will then show up on your screen. To save, click "File -> Save As", ...

How To: Turn off your system firewall without admin privileges

In this video tutorial, viewers learn how to turn off the system firewall without admin privileges. Begin by clicking on the Start menu and open he Run program. Type in "system.msc" and click OK. Scroll down the Services list and look for Windows Firewall. Double-click on it and under the General tab, click on Stop. Then click Apply and OK. This video will benefit those viewers who use a Windows computer and would like to turn off the firewall, even if they are not running the administrator a...

How To: Increase your low virtual memory on Windows XP

This video demonstrates how to increase your computer's virtual memory in Windows XP. To increase virtual memory in Windows XP: - On your desktop, right click on My Computer then select Properties. - On the System Properties Window, click on the Advanced tab. Under Performance, click Settings. - A new window should appear, click on Advanced tab, look for Virtual Memory then click Change. - The virtual memory window should now appear, select your main hard drive (usually C: ), then you can set...

How To: Create a new Windows partition with GParted software

In this tutorial, we learn how to create a new Windows partition with GParted software. First, insert your boot CD into your computer, then turn your computer off and it will automatically boot. Next, hit enter to select the first option, then wait for the scan to complete. When done, select your type of keyboard, then hit enter. After this, select your language and then continue to wait for the boot to continue. Once loaded, you will see the main partition. To split this, select it and click...

How To: Update graphic drivers with Windows Device Manager

In this video tutorial, viewers learn how to upgrade their graphic driver. This task is very fast, easy and simple to do. Begin by clicking on the Start menu. Then right-click on My Computer and select Properties. Now click on the Hardware tab and click on Device Manager under Manager. In the Device Manager window, select your graphic driver under Display adapters. Right-click on the driver and select Update Driver. Now follow through the instructions in the window and check for any updates. ...

How To: Hack into a Windows computer

This is how to hack a computer for educational purposes. First you need its IP address, radmin viewer 3.3 or later, and an open port scanner. Okay so first you need the IP and scan the IP address of the computer. Now find what open port it has. Ok then open up radmin viewer and put in the IP address and open the port you found. Now right click after you enter the computer's IP address and the open port. Select full control or view only and there you go. The computer has been successfully hack...

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: 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: Format a hard drive using Windows Vista

Formatting the hard drive on Windows Vista is easy. First click Start, then Control Panel, Administrative Tools, Computer Management. When that opens up, click Storage Disk Management. This will open a window showing all the computer's partitions. It isn't possible to format C: because that is where the operating system is installed. We will format disk 2. Right click on that, and select New Simple Volume. This will open the wizard. Follow the prompts through the wizard to Finish. The compute...

How To: Password protect a folder on Windows Vista

In this tutorial, we learn how to password protect a folder on Windows Vista. To do this, you will first need to have WinRAR downloaded on your computer, you can get it here: http://download.cnet.com/WinRAR-32-bit/3000-2250_4-10007677.html. Next, you will right click on your screen and click "new" and "folder". Then, you will rename your folder to anything you'd like. From here, you will right click and then click "add to archive". Then, go to advanced and set password from the toolbar. Enter...

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: Change the default theme in Ubuntu Linux

Want to change the look of your Ubuntu desktop? This video clip from ubuntuclips.org will show you how to change the default Ubuntu theme. The new theme uses large text and icons and is well suited if you have difficulty viewing small text and graphics. To change the default Ubuntu theme go to System->Preferences->Theme.

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