PC Emulator: Test and Learn Linux Commands in Web Browser

If you want to learn Linux / Unix command but don't want to install it, here is something interesting for you.

"PC Emulator" created by "Fabrice Bellard" allows you to test Linux commands in your favorite web browser. No need to install Linux, Click on window and wait for # command line, OR simply open the URL in browser and test desired Linux commands.- PC Emulator

This PC emulator is written in Javascript and support following browsers officially :

• Firefox 4.x
• Chrome 11
• Opera 11.11
• Internet Explorer 9

Start Testing Linux in Browser

7 Hidden Tricks about your Operating System

Few tips for Windows 7 and OSX Lion that can save time and make you more productive

WINDOWS 7   
CREATE A WIRELESS HOTSPOT 

With some free software, you can convert your Windows 7 laptop (or desktop with a Wi-Fi card) into a wireless router to share internet with others. Just get Connectify (www. connectify.me) or Virtual Router (http://virtualrouter.codeplex.com) to enable this feature. Connectify and Virtual Router will not work on older editions of Windows.

VIRTUAL WINDOWS XP 
There are several reasons why you would want to run Windows XP virtually within Windows 7. Maybe you have programs that only work in XP or maybe you're

Repair Missing NTLDR File Using Windows XP Installation CD

Had you ever overcome this situation? Most of system damage of file corrupted issues can be fixed using the Windows XP installation CD.

Just simply follow the above instruction :

a. Boot your computer from your Windows XP CD.

b. When a prompt “press any key to boot from the CD….”, simply hit any key.

c. Once you are in the Windows XP setup menu press the “R” key that’s means to repair the Windows XP system’s file.

d. Log into your Windows installation By pressing the “1″ >> “enter”, you will now logged into your Windows installation process.

e. Then, you’ll be asked for your administrator password, enter that password. If there is no password for your administrator account, just leave it blank.

f. Copy the below two files below using the command line given to the root directory of the primary hard disk [ex : c:/ <<-this is your root directory] from the CD-ROM [ex : f:/ <<-this is your CD-ROM drive letter]. My example above maybe vary to others computer. The command line is ; • copy f:\i386\ntldr c:\ • copy f:\i386\ntdetect.com c:\ g. The example of completed task is like the screen below :

h. After these files have been successfully copied, just remove the CD from the computer and reboot.