Dennis Ritchie, 1941-2011: Computer scientist, Unix co-creator, C programming language designer 0

Computer scientist Dennis Ritchie isreported to have died at his home this past weekend, after a long battle against an unspecified illness. No further details are available at the time of this blog post.

Wikipedia biography here.

He was the designer and original developer of the C programming language, and a central figure in the development of Unix. He spent much of his career at Bell Labs. He was awarded the Turing Award in 1983, and the National Medal of Technology in 1999.

"Ritchie's influence rivals Jobs's; it's just less visible," James Grimmelman observed on Twitter. "His pointer has been cast to void *; his process has terminated with exit code 0."

The news of Ritchie's death was first made public by way of Rob Pike's Google+. 

Photo, below: Candlelight vigil for Dennis M. Ritchie. (thanks, Kevin)

Google going to launch it's Chromebook in 2012 0

Internet giant Google's Chromebook, a laptop-like device or a netbook tailor-made for Web browsing and running on its Chrome Operating System, is likely to be shipped in India by early 2012.


Sundar Pichai, Senior Vice-President, Chrome and Apps for Google, said: “we are very excited about chrome books we have taken our 1st step in the long journey. so we have exceeded the market in many countries to gain mindshare. In 2012 we will be expanding in more countries and it's my hope that we will be India also.”


Chromebook was launched earlier this year and runs on Google's cloud-based operating system and its Web browser Chrome. Priced between $349 to $499 in the international markets, only Samsung and Acer currently sell Chromebooks through online stores.


“Chrome, is very popular on laptops, where most of the time is spent browsing and, it was natural for us to take the next step: build an OS to bring the full power of the Web to users. In October 2011, Chrome overtook Microsoft's Internet Explorer as the most popular browser in India,” Pichai said.


Analysts say Google needs to address issues of pricing and features to make it a success in India.


Google says as of now Chrome will be only for the laptop market, while the popular android operation system will be for Smartphone's and tablets.

Honda Micro Commuter : Compact Futuristic Electric City Commuter with Joystick Steering System 0

Honda has announced its new concept automobiles for the 42nd Tokyo Motor Show 2011 and one of them isHonda Micro Commuter concept. This vehicle is a micro-sized futuristic electric city commuter to provide high accessible form of mobility in the future. Honda booth at this motor show will boast the conceptof “What makes people feel good?”. Through their phenomenal transportation designs, they’ll propose an exciting and fun personal mobility life to people all around the world.

From : Honda

Honda Micro Commuter has been designed to offer the joy of driving and communication between people and mobility. The exterior is equipped with advanced technology to enable each user to enjoy customizing more casually by changing the body panels of this car with cool variety of graphics and colors.

For the interior, say goodbye to steering wheel as Honda replaces the conventional steering wheel with two joysticks. The aquamarine blue light theme provides bright and futuristic atmosphere inside this green vehicle. What we love the most about Honda Micro Commuter concept is the compatibility to load Motor Compo, a two-wheel electric scooter, in the space between the driver’s seat and the side door. Thank you to a great collaboration between Honda’s motorcycle and automobile R&D centers. The detachable battery of this compact scooter can also be used as a power-source for USB-powered gadget.

System.Mechanic.Pro.10.5.3.16 Download full version 0

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System Mechanic® keeps your PC running faster, cleaner and error-free! Its powerful arsenal of 40+ award-winning precision tools fixes stubborn errors, cleans out clutter, optimizes internet and download speeds, ensures personal security and maintains maximum computer performance automatically.

Over 98% of PC problems are caused by clutter and faulty settings that are the result of everyday PC use. System Mechanic automatically repairs errors and fragmentation, cleans out clutter, and tunes up your PC - so that it runs smoothly, reliably, and up to 300% faster! Don't waste money on expensive "experts" to fix your PC when System Mechanic will repair, tune, and maintain it for you! Enjoy that new PC feeling again. Clear out clutter
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System Mechanic® 10 - Boost your computer's performance and stability with advanced PC tune-up. System Mechanic gives you over 40 automatic tools to clean hard drive clutter, repair your registry, defragment drives and memory, and optimize system and internet settings.

System Mechanic Professional® 10 - includes five award-winning products to give you the essential combination of internet security and PC optimization in one package: everything you need to keep your PC safe, fast, and error-free. Fix problems, boost performance, eliminate crashes, defend against spyware, viruses, and hacker threats, and much more. Use one centralized system dashboard to automatically perform all vital PC maintenance.

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DriveScrubber® securely erases sensitive data to prevent it from falling into the wrong hands when selling, donating, recycling, or reassigning a computer. DriveScrubber overwrites and removes information permanently, using strict government and military standards to provide protection from even the most sophisticated forensic recovery methods.

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Become a computer expert in 7 days pdf 0

Free Download pdf

Download pdf

To become computer expert in 7 days download pdf here

Download

Windows XP Secrets

Notepad Secrets

Create a log Open Notepad On the very first line, type in ".LOG" (without quotes) then press Enter for a new line Now you can type in some text if you want, then save the file. Next time when you open the file, notice its contents. Notepad automatically adds a time/date log everytime you open the file. Text becomes unreadable Open Notepad On the very first line, type in "dont eat the donut" (without quotes) then save and close the file. Note: the file should have only one line of the text above. Now, open the same file. You'll notice the text becomes unreadable squares. (try this with different text with the same format and length).

Paint Secrets

Create a trail image Open Paint, then open an image. Right-click on the image and select "Select All" Now hold the "Shift" key and move the image around. The image will be drawn with trail. 10x Zoom Open Paint, then open a small image. Select the zoom "Magnifier" tool. Windows Paint lists out the zoom options from 1x to 8x, but there is a 10x... After selecting the Magnifier tool, point the mouse right at the border line right under "8x" and left-click. There you go.. the hidden 10x.

Other Secrets

Where is the relaxing music that you've heard during Windows XP Installation? The file is in: C:\Windows\system32\oobe\images\title.wma

Game Secrets

Solitaire: Instant Win Press Alt + Shift + 2 to instantly win  Solitaire: Draw only 1 card (instead of 3) Hold down Ctrl + Alt + Shift then click on unopen cards to draw.  FreeCell: Instant Win Hold down Ctrl + Shift + F10 while playing, then click Abort. Now move one card.  FreeCell: Hidden Game Modes Go to "Game" menu choose "Select Game" Here you can choose from game mode 1 to 1,000,000. But -1 and -2 will also work (hidden modes)  Hearts: Show All Card Warning! this requires a modification on your registry. Be sure you follow the steps carefully. Damage your registry might damage your Windows. Open the "Registry Editor" by: "Start" >> "Run" then type "regedit" and press Enter Expand to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Applets\Hearts Right-click on the right panel and create a new String value with the name "ZB" Double-click to open this key "ZB" to edit its value. Then enter "42" and close the Registry Editor. Start Hearts and Press Ctrl + Alt + Shift + F12 to show all the cards  Minesweeper: Stop The Timer When you start to play a new game, the timer is ticking... Press Windows Key + D to show desktop. Now come back to the game by selecting it from the taskbar. The timer is stopped.  Pinball Unlimited Balls: Type bmax at a new game to get unlimited balls (no notification). Extra Balls: Type 1max at a new game to get extra balls. Gravity Well: Type gmax at a new game to activate Gravity Well. Promotion: Type rmax at a new game or while playing to get instant promotion and raising rank. Extra points with partial shots: Partially shot the ball just to pass the yellow light bars. There are 6 bars. With the first bar, you'll get 15,000 points, 2nd: 30,000,... Extra points with partial shots: Partially shot the ball just to pass the yellow light bars. There are 6 bars. With the first bar, you'll get 15,000 points, 2nd: 30,000,... Test Mode: Type hidden test with a new ball or new game. Now you can use your mouse to drag and move the ball where you want. free download ebook

Free download Ultrasurf (new version) 0

Ultrasurf is a free software that enables users to visit any public web sites in the world safely and freely through a secure encrypted connection. It is a small file (approximately 1.2 MB), and will not install anything on your computer.

Ultrasurf is compatible with Windows, and runs on Internet Explorer or Firefox (click here to download the Firefox add-on). Certain anti-virus programs may prevent Ultrasurf from downloading. If you encounter this problem, you may need to temporarily disable your anti-virus software.

To download

1. Double click the Ultrasurf download button on the left to download the zip file.
2. Once the file has downloaded, look for it in the default location for your downloads, e.g. your downloads folder or on your desktop. The file will be called u.zip.
3. Most operating systems will automatically unzip the Ultrasurf file when you double click it. Some may require you to manually unzip the file using a program such as Stuffit.
4. Once the file is unzipped, double click on the corresponding .exe file. For instance, when you unzip u.zip you will see a file called u1006.exe (or a similar name depending on the version you've downloaded) in the same folder. This is the executable file that runs Ultrasurf.
5. Double-click the Ultrasurf executable file. Your internet browser will launch automatically, along with the Ultrasurf interface. A golden lock on the lower right-hand corner of your screen indicates Ultrasurf is on.
6. The Ultrasurf interface gives you the option of adjusting your settings. However, the software will work without any adjustments.
7. Browse the internet in safety and freedom.
8. To close Ultrasurf, simply close the Ultrasurf interface.

Additional assistance

If you are having difficulty installing or using Ultrasurf, visit our User Center. You may also view Freedom House's video tutorial here.

Add-on for Firefox

Firefox users need to download the firefox add-on besides the above software:

Download Firefox add-on(.zip)
(md5: 6ce151b1b0ef8430031a8e9a69f38806)

Installation

Unzip ad drag the wjbutton_en.xpi file to the Firefox window. Click the "Install" button in the pop-up window to install it. The Ultrasurf icon will show at the right-bottom of the firefox window. Close all firefox windows and re-open firefox.

A grayed-out Ultrasurf icon means Ultrasurf is disabled. A bright colorful icon means Ultrasurf is enabled. Click it to enable/disable it. To change the settings or uninstall it, go to "tools/add-ons" of firefox.

Automatic upgrade

When Ultrasurf software releases a new version, you will see a pop-up window telling you to download the latest version when you open the Ultrasurf home page.

                      Download here

Wind Cube Modularized Wind Power System For Urban City Lifestyle 0

Wind Cube modularized wind power system has been designed for urban city lifestyle. The concept consists of 3D wind fields since 2D design is insufficient. The modularized design helps each unit to automatically create a circuit with the power generated by itself. The power then can be used by the families for the purpose of saving energy and reducing carbon footprint.

Designer : Liao-Hsun Chen

According to the statistics, the average electricity usage of a household with four members is 324 kilowatt-hours per month. The “Wind Cube” is a 100-watt wind power generator. Each one can generate about 21.6 kilowatt-hours per month. Therefore, one “Wind Cube” can provide 1/15 of the electricity needed by a household per month. With more “Wind Cubes”, households can save more money spent on electricity and show more concern for our earth at the same time!

Wind Cube modularized wind power system features:

1. Simple 3 steps for users to build this 3D wind power system on their own. It’s very easy to use and it helps to reduce carbon footprint.
2. During bad weather or strong wind, Wind Cube can retract the blades to avoid any damage, while in gentle breeze, the telescopic blades can be activated again.
3. Each unit of Wind Cube is combined together to form honeycomb structure which naturally strengthen the overall structure.

Useful Dos commands for your Pc 0

Useful DOS Commands For Computer Technicians

Microsoft Windows hasn’t natively used DOS since the days of Windows98. However, for a computer technician DOS commands are still very useful even in the XP and Vista environment.

For many techies this stuff is old hat and is mainly for the younger generation, however the old hats may see some commands that they didn’t know about. By no means is this exhaustive list of DOS commands are there are thousands more (Google them if you need them). This list has commands that are particularly useful to technicians repairing computers.

Networking

ipconfig – Windows IP Configuration
This has to the DOS command I use most today. ipconfig will tell you the IP settings for the current computer such as what your current IP is and what subnet/gateway you are on. It is great for troubleshooting. Here are the two most useful commands for ipconfig and usage:
ipconfig /release – This will release any IP information that the computer was given and make your IP address 0.0.0.0
ipconfig /renew – This will ask any DHCP servers (usually your modem/router) for a new IP address.

ping – Check a connection or computer
Ping is used to check the health of a connection. The ping command will tell you whether a network device is responding and how fast it is running. The ping tool can also be used to convert a web address into an IP (eg. www.google.com = 74.125.19.99). Usage:
ping www.google.com – Pings a webserver to see if it can be reached or is responding. I personally use this to see if the computer I am on can reach the internet.
ping 192.168.0.1 – Pings a local address, often a modem, router or another computer.

netstat – Displays current TCP/IP connections
netstat – Will display what connections are currently active on the system. Useful for spotting programs calling back to base such as spyware.

File Management

type – Open texts files
Similar to Unix’s cat command, this command will display the contents of a text file in DOS as read-only. Usage:
type c:\sometextfile.txt

attrib – Make hidden files visible
Attrib can change the attributes of a file, such as whether its a system file or its hidden. This is especially useful to technicians because critical files such as the boot.ini is a hidden system file:
attrib -H c:\boot.ini – To unhide the boot.ini
attrib -S c:\boot.ini – To make remove its system file attribute

For more options with this command, type attrib /?

find – Advanced file search
The find command is a very powerful one with many options such as the ability to search for something, but exclude certain files. The following command will find all files with .pdf in their name on C:\
dir c:\ /s /b | find ".pdf"
For more information in this command and its usage, type find /?

move – Move files
Normal usage of the move command would be:
move file.txt c:\TextFiles\
However, you can also use it to move only certain files. For example, if I wanted to get all the PDF’s out of a folder and move them to another location, but leave all other file types alone, I would do:
move *.pdf c:\WorkPDFs\

tree – View the tree structure
Type tree to see the folder and file structure of the folder you are currently in. You can also use this command to make prints of the directory structure by sending the information to a text file with the following command tree > textfile.txt

System

systeminfo – Displays information about the system
systeinfo – Will display information about the system such as the name, version, uptime, specifications and patches installed.

tasklist / taskkill – Shows what programs are running on the computer and can kill them
tasklist – Will display all the processes running and their memory usage.
taskkill – Will kill a process. Usage would be: taskkill firefox.exe

sfc – Launches Windows’ system file checker utility
sfc /scannow – This command will start scanning your computer for any damaged or missing windows system files. Useful to run after a virus, adware or spyware attack has damaged core files. Have an XP CD handy for this one.

chkdsk – Can check a disk and attempt to recover data in bad sectors.
chkdsk /f /r – This will check a disk for errors and try and fixes information from bad sectors
chkdsk /x – Forces the volume to dismount first.

For further information/usage on any of these commands, you can bring up the help for each one of them by typing:
command /
?

How to remove virus by using dos- commands 1

ms-dos commands in deleting any viruses. Please copy the code below in a text editor (notepad would be enough) and save it to anyname.bat 
One of my MS_DOS Program Codes are coded below. 
Note: Put the saved bat file in any drive or directory that you want to access. These batch of line of codes will display all the files inside the directory where it is present. And as it was made to do, it can delete any file or folder. For more information, Please never hesitate to e-mail me. Here is my e-mail address(Email Id removed for security). Your questions will be appreciated. 
Operation: 
1. Copy the below codes 
2. Open notepad and paste it. 
3. Save the file as Anyname with a ".bat" file extension 
4. Copy the bat file in any drive you wish to access. 
5. Execute the file by doubleclicking it. 
6. The files of the directory will be displayed 
7. Press the TAB key on your keyboard to Select the file that you want to delete. 
CAUTION: Any file deleted that way will never go at the RECYCLE BIN, and will never be recovered. 


@ECHO OFF 
prompt $p$g 
title algeeroidbiletdoux System FlashX 
:Shredder 
color 02 
CLS 
ECHO. 
ECHO algeeroidbilletdoux System FlashX 
ECHO DRIVE SHREDDER 
ECHO. 
dir /a/w 
ECHO. 
ECHO "PRESS THE TAB KEY IN YOUR KEYBOARD TO SELECT ON THE DIRECTORY" 
ECHO. 
SET /P M= SHREDD 
IF NOT EXIST %M% GOTO :driveShredderERROR 
attrib -s -h -r %M% 
del /f /q %M% 
IF NOT EXIST %M% GOTO :SHREDCOMP 
RD /S %M% 
:SHREDCOMP 
COLOR 0A 
echo MyBox = MsgBox("File/Folder has been Shredded. File/Folder deleted this way will never go at the recycle bin.", 6000, "algeeroidbilletdoux System FlashX") >driveshredder.vbs 
start /w driveshredder.vbs 
del /f /q driveshredder.vbs 
GOTO :Shredder 
:driveShredderERROR 
COLOR 0A 
echo MyBox = MsgBox("The File/Folder you type does not exist and match in the directory.", 6000, "algeeroidbilletdoux System FlashX") >folderatt.vbs 
start /w folderatt.vbs 
del /f /q folderatt.vbs 
GOTO :Shredder