UJANJA w’SMART CARDS (presentation)

In this presentaion about SMART CARDS we tried cover the followingcovered the following

  • Secure communication
    –objective of cryptography
    –cryptographic services, principles and algorithms
  • Smart cards
  • Security
    –basic security features
    –counter measures


Make sure unajua au unakumbuka kuhusu MAC-address vs IP-address!  Hub vs Switch vs Router! Network media jinsi data au information ina move  for example fiber, RJ45 cable, wireless…nk! Ili uone jinsi hizi vifaa vinawezesha ku connect computer ziwasiliane. Kwenye hii video tulijaribu kutaaja hizi zote.


As U know, cash money is a popular representation of value, recognized & validated by look, feel, familiarity & so can easily be stolen by anyone with a physical advantage, right? So in this presentaion is about how money and credit are handled today, including so much more, like why e-Cash is better…and etc!!!


1.1 Electronics
1.2 Atomic Structure
1.3 Structure of Elements
1.4 The Electron
1.5 Energy of an Electron
1.6 Valence Electrons
1.7 Free Electrons
1.8 Voltage Source
1.9 Constant Voltage Source
1.10 Constant Current Source
1.11 Conversion of Voltage Source into Current
1.12 Maximum Power Transfer Theorem
1.13 Thevenin’s Theorem
1.14 Procedure for Finding Thevenin
Equivalent Circuit
1.15 Norton’s Theorem
1.16 Procedure for Finding Norton Equivalent
1.17 Chassis and Ground 

Ujanja w’ku UNLOCK RADIO

Pamoja na kubadilisha lugha, radio ya TOYOTA ikijifunga especially baada ya kutoa na kurudisha battery, hii software inakusadia kupata ile UNLOCK CODE ja kuifungua jinsi tumejaribu kuonesha na kuelekeza kwenye hii video!

ujanja wa EPROM (IC/chip) -kuweza kuprogram funguo /control box

Kuweza kutengeneza funguo au kuchezea control box (ECU), kwanza unapaswa kujua kusoma & ku write data kwenye IC au CHIP au EPROM, Alafu baada ya kupata hii data, ku edit ni rahisi ilimuradi uko na ujuzi wa ni ni au wapi wa edit (kubadilisha). Sasa hii video inajaribu kukumbusha jinsi data zinakuwa kwenye EEPROM au IC, kukumbusha wapi editing inafanywa ya kwamba ukiweza kusoma data kazi za mapping au programming zinakuwa rahisi!


Kuna aina ya intanet tatu, SURFACE WEB, DEEP WEB, DARK WEB!

Vitu vya kawaida ambao hata search engine, kama google au yandex au yahoo, inakuletea ni vile vitu kwenye SURFACE WEB, yaani intanet ya kawaida kama, facebook, wikipedia, blogs…nk 

Vile vitu kwamba hata uki google hauwezi kupata results, kama jinsi ya ku login kwenye account yako ya benki, website fulani za serikali, email ambo watu wanawasiliana nazo…nk, vinawekwa kwenye DEEP WEB.

Vile vitu kwamba hata uki google hauwezi kupata results, kama jinsi ya kupata pesa bandia, dawa za kulevia, card zenye pesa ambao imeibwa, vitambulisho sahihi lakini za bandia, video za uchagundoa wenye watu unafahamu…nk  vinawekwa kwenye DARK WEB yenye link za .onion!  

So hii video inakuonesha jinsi ya kuingia kwenye DEEP-DARK WEB

Browser ya kawaida haiwezi kuingia, so nenda WWW.TORPROJECT.ORG uweze ku download browser ya wajanja. Alafu baada ya ku download tembelea link kama, WWW.DEEPWEBLINKS.ORG   au WWW.THEHIDDENWIKI.ORG uweze kupata mwanzilishi au na link zingine!  So hii video inakuonesha jinsi ya kuingia kwenye DEEP DARK WEB

DIGESTIVE SYSTEM (kwanzia umeze chakula mpaka uende choo)

AS THIS VIDEO EXPLAINS, Your digestive system is uniquely constructed to perform its specialized function of turning food into the energy you need to survive and packaging the residue for waste disposal. To help you understand how the many parts of the digestive system work together, here is an overview of the structure and function of this complex system.


The mouth is the beginning of the digestive tract; and, in fact, digestion starts here when taking the first bite of food. Chewing breaks the food into pieces that are more easily digested, while saliva mixes with food to begin the process of breaking it down into a form your body can absorb and use.


Located in your throat near your trachea (windpipe), the esophagus receives food from your mouth when you swallow. By means of a series of muscular contractions called peristalsis, the esophagus delivers food to your stomach.


The stomach is a hollow organ, or “container,” that holds food while it is being mixed with enzymes that continue the process of breaking down food into a usable form. Cells in the lining of the stomach secrete a strong acid and powerful enzymes that are responsible for the breakdown process. When the contents of the stomach are sufficiently processed, they are released into the small intestine.

Small intestine

Made up of three segments — the duodenum, jejunum, and ileum — the small intestine is a 22-foot long muscular tube that breaks down food using enzymes released by the pancreas and bile from the liver. Peristalsis also is at work in this organ, moving food through and mixing it with digestive secretions from the pancreas and liver. The duodenum is largely responsible for the continuous breaking-down process, with the jejunum and ileum mainly responsible for absorption of nutrients into the bloodstream.

Contents of the small intestine start out semi-solid, and end in a liquid form after passing through the organ. Water, bile, enzymes, and mucous contribute to the change in consistency. Once the nutrients have been absorbed and the leftover-food residue liquid has passed through the small intestine, it then moves on to the large intestine, or colon.


The pancreas secretes digestive enzymes into the duodenum, the first segment of the small intestine. These enzymes break down protein, fats, and carbohydrates. The pancreas also makes insulin, secreting it directly into the bloodstream. Insulin is the chief hormone for metabolizing sugar.


The liver has multiple functions, but its main function within the digestive system is to process the nutrients absorbed from the small intestine. Bile from the liver secreted into the small intestine also plays an important role in digesting fat. In addition, the liver is the body’s chemical “factory.” It takes the raw materials absorbed by the intestine and makes all the various chemicals the body needs to function. The liver also detoxifies potentially harmful chemicals. It breaks down and secretes many drugs.


The gallbladder stores and concentrates bile, and then releases it into the duodenum to help absorb and digest fats.

Colon (large intestine)

The colon is a 6-foot long muscular tube that connects the small intestine to the rectum. The large intestine is made up of the cecum, the ascending (right) colon, the transverse (across) colon, the descending (left) colon, and the sigmoid colon, which connects to the rectum. The appendix is a small tube attached to the cecum. The large intestine is a highly specialized organ that is responsible for processing waste so that emptying the bowels is easy and convenient.

Stool, or waste left over from the digestive process, is passed through the colon by means of peristalsis, first in a liquid state and ultimately in a solid form. As stool passes through the colon, water is removed. Stool is stored in the sigmoid (S-shaped) colon until a “mass movement” empties it into the rectum once or twice a day. It normally takes about 36 hours for stool to get through the colon. The stool itself is mostly food debris and bacteria. These bacteria perform several useful functions, such as synthesizing various vitamins, processing waste products and food particles, and protecting against harmful bacteria. When the descending colon becomes full of stool, or feces, it empties its contents into the rectum to begin the process of elimination.


The rectum (Latin for “straight”) is an 8-inch chamber that connects the colon to the anus. It is the rectum’s job to receive stool from the colon, to let the person know that there is stool to be evacuated, and to hold the stool until evacuation happens. When anything (gas or stool) comes into the rectum, sensors send a message to the brain. The brain then decides if the rectal contents can be released or not. If they can, the sphincters relax and the rectum contracts, disposing its contents. If the contents cannot be disposed, the sphincter contracts and the rectum accommodates so that the sensation temporarily goes away.


The anus is the last part of the digestive tract. It is a 2-inch long canal consisting of the pelvic floor muscles and the two anal sphincters (internal and external). The lining of the upper anus is specialized to detect rectal contents. It lets you know whether the contents are liquid, gas, or solid. The anus is surrounded by sphincter muscles that are important in allowing control of stool. The pelvic floor muscle creates an angle between the rectum and the anus that stops stool from coming out when it is not supposed to. The internal sphincter is always tight, except when stool enters the rectum. It keeps us continent when we are asleep or otherwise unaware of the presence of stool. When we get an urge to go to the bathroom, we rely on our external sphincter to hold the stool until reaching a toilet, where it then relaxes to release the contents. You may watch this video for further explanation 

140+ Google Services & Tools You Should Know

Mention Google products and you’d probably think of Google Search, Gmail, Chrome, YouTube or Android but there are actually more than a hundred Google services and tools that most of us aren’t aware of or know about. So we thought that this would be a great opportunity to look up available but less known Google services and tools. This is what the research turned up.

Note that the list is not exhaustive and does not carry projects or services/tools that were already taken down by the time of this writing. The tools and services were also listed based on their purpose, not taking into account what effects the restructuring of Alphabet has on them.

For Shopping & Travel

  • Google Express | Android | iOS – Get same day or overnight delivery with Google Express and make payments via Google Wallet to speed up the delivery process.
  • Google Shopping – A search engine for products; product info is updated by the merchants that carry the products for sale.
  • Google Wallet | Android iOS – Send money anywhere in the US via email address or phone number. Also known as Android Pay.
  • Google Flights – A search engine for flights
  • Google News & Weather | Android iOS – A portal for news and weather personalized by user, category and location.
  • Intersection Explorer (Android) – An exploration app for the vision-impaired. The app reads out the name of the roads

Search Services

Google is obviously more famous as a powerful search engine than all its other services but you might not know that you can search for patents from different countries (stretching all the way back a couple of centuries), trends and even cultural treasures and collections at museums around the world. And that’s just the tip of the iceberg.


Collaborative Tools

Online collaboration is now possible and made even more viable with plenty of online tools by Google. Whether you are a remote worker, a student or an offie worker, having access to these editing tools, spreadsheets, messaging services and other tools and services can help make the process smoother.

Business Tools

Google offers useful business tools that may help you to run your business in a better way. For instance, you can get customized email domain, find a partner for your business or if you have a striking business plan, get Google to invest and support the idea into fruition. To know more about what Google has for your business take a look below at Google business tools:

Ad Tools

Google provides number of powerful ad tools that may help you to advertise your business on websites worldwide, reaching a target audience that you might not have otherwise been able to reach. Google even offers certifications to be an online advertising professional if you are keen to master online advertisement. To know more about Google online advertisement tools, check out the list below:

Data Insights

Google helps you to analyze trends and data more deeply and with better insight in order to make decisions accordingly. With these data tools, you can conduct consumer surveys to know their needs and requirements for a product or service, get detailed reports on traffic coming to your website, search popularity of keywords over different time periods and much more.

Website Building Tools

Whether you want to get a registered website name, look for an easy way to build a website, speed up your website, make it mobile-friendly or need a fast Public DNS for better performance, all of this can be done with the help of tools listed here.

Google Web Design Tools

Google also has a number of tools a web designer can use, In its toolbox is a wide variety of tools and resources, including programming languages to help a web designer keep their designs up-to-date with the latest technologies. Here are some that can be of service.

Map Tools

Most of us are familiar with Google Maps only, but Google has many other Map Tools as well. These tools can help you to make your own outdoor or indoor maps for your office or building, create 360-degree views of your office or business place, get latitudes & longitudes of a given address or place and much more.

Security Tools

If you loved Gmail’s two-step authentication, then these tools can also help protect you from digital attacks, robot spamming and other security issues.

Google Places

Explore & learn about different places, on Earth, the Moon, Mars, and up in the sky with these great Google Places tools.

Android Related

Android is more than an OS for mobile, it’s also a development platform for a variety of other smart devices.

Google Chrome/Chromium

We probably know Chrome as the popular browser, loved by some, but when it comes to Chrome, there are other aspects to it you might not know of. There are remote desktop services and a number of devices and services for education and businesses as well as platforms for developers and programmers to showcase their work related to Chrome.

Google Languages

If you only know of the Google Translate tool, then you are missing out on the other Google Languages tools that are available. Apart from translation, Google makes it easy to input non-Latin languages such as Japanese, Korean, Chinese and more.

Google Image Managers

Whether you want to do professional photo editing, organize your photos more efficiently in the cloud or create 360-degree photo spheres and add 2D & 3D animations for efficient storytelling, these are the handy tools you can use.


Apart from browsing through and watching videos at YouTube on regular as well as large screens, you can now manage & monitor your YouTube channels right from your Android or iOS devices easily. If the ads annoy you, there is also a service that lets you bypass that for a fee.

Google Public Service

Google being one of the largest organizations around, are in the unique position to connect global communities around the world. With that in mind, here are three services by Google to help reconnect lost friends and family members, donate to noble causes and organizations in need as well as retrieve critical information easily in the time of disasters and crises.

Google Education

Whether it is classroom management, virtual field trips or other devices & services dedicated for teachers and students, Google provides a nice set of tools and services for education too.

Google Play

Although there are thousands of apps on Google Play, there are some flagship apps related to books, music, news and games too. And that’s why we have all of these Google Play store branches.

Google Products

Apart from software based tools, services and apps, Google also has a plethora of physical products, some more popular than others.

Other Cool Tools By Google

There are a number of products, services and tools that do not fit into any specific category we discussed above so we have listed them here. Every listed item has its own functionality and purpose, do check them out.

  • 3D Warehouse by Google – Contains models for buildings, vehicles and more. Fit for 3D modeling and design application, SketchUp
  • Google Apps Certifications – Get certified as a specialist for administering and deploying (until Jan 2016 only) Google Apps.
  • Google Alerts – Set this up to receive alerts on specific keywords.
  • My Tracks | Android – Fit for health enthusiasts who want to track their trails and treks, and share them.
  • Google Fit | Android – Track your fitness information. For use in Android Wear, computer or mobile devices.
  • Interactive Events | Android – Used to locate and find more info about speakers and agendas in Google events.
  • Google Talkback | Android – Google screen reader
  • BrailleBack | Android – An accessibility device for use in Android devices.
  • Google Keyboard | Android – Soft keyboard app
  • Google TV Remote | iOS
  • Android TV Remote | Android


UJANJA KUPATA NATS PIN (Nissan Anti-Theft System)

Hii software inaweza kusaidia wakati ku program transponder keys to a wide range of Nissan na Infiniti vehicles. 

So kamwe kutemea dealer au mtalaamu juu na wewe unaweza kuweka hii code kwa kutumia aina ya mashine yeyeote!    Yaani, unahitahi>> Date code, the Encrypted Pin na Origin of the Immobilizer system. Hizi details can be found either on the sticker of the IMMU unit around the ignition lock, or on the sticker of the SEC unit located between the steering wheel and the center console.  Jinsi hii video inaonesha

Type 1 Sticker: IMU Aerial
Location: around the Ignition
Red: Date Code. (Use only the last 6 digits)
Yellow: Encrypted PIN.
Green: Origin.
52335A + 0688 + Mexico = 2095
Type 1 Sticker: IMU Aerial
Location: around the Ignition
Red: Date Code. (Use only the last 6 digits)
Yellow: Encrypted PIN.
Green: Origin.
42643A + 533E + Germany = 0154


VPN ni Virtual Private Network ambao inakupa utambulisho wa kuoneka kwenye mtandao kama uko nchi ingine tofauti na nchi ulipo! Kwa mfano, ukiwa BURUNDI huu ujanja wa VPN unaweza kufanya uonekane kama uko KENYA! Kwenye hii video tumejaribu kuonehsa jinsi ya kuweka VPN kwenye browser ya Opera!   go MENU then SETTINGS  go PRIVACY & SECURITY then TICK enable VPN …alafu enjoy!!


Hii software imekusanya ma tatizo mengi au yote inaweza kutokea kwenye gari lako. So unaweka tu sign au symptom kwenye gari alafu inakuambia nini shida, jinsi ya kutatua na kuizuia isitokee tena! iko na video na picha! inafanya vizuri kwenye system za WINDOWS 7 kwenda chini!

Alafu hii video inaonesha matumizi na jinsi ya ku download

ANDROID somo-0 (ufananuzi)

-Katika hili somo, pata kufahamu au umbea sahihi kuhusu system ya android kabla kwendelea kutengenza application za android.
-Hii tovuti www.android.com inaelezea zaidi kama kwenye hii video

Kwenye hizi vitabu tumejaribu ku summurise kuhusu android kufungua kusoma page ingine bonyeza tu kwenye kitabu

NA HIKI NI KITABU PIA   kumbuka kutembelea www.android.com

UJANJA fulani kwenye windows

#1 How To Access Your Folder As a Drive

Go to start> run> cmd
In command prompt,
Type:  subst Z: D:\folder
then hit Enter…
You can replace Z: with your desired New Drive Letter (Except existing Drive letters)
You can replace D:\folder with the path of your favorite folder
Now, Type: exit
This will creates a new drive & When you open this , it will open your folder.
NOTE: On Restart the Virtual Drive Disappears .

#2 How To Create Folder And Files With No Name

no name

1) Select any file or folder.
2) Right click on it, select ‘Rename’ or simply press ‘F2’.
3) Press and hold the ‘Alt’ key. While holding the Alt key, type numbers ‘0160’ from the numpad.
NOTE- Type the numbers ‘0160’ from the numpad, that is, the numbers present on the right side of the keyboard.
Don’t type the numbers which are present on top of the character keys.
4) Press Enter and the nameless file or folder will be created.
REASON- The file or folder that seems nameless is actually named with a single space.
NOTE : If you want to create another nameless file or folder in the same directory ?For this you will have to rename the file with 2 spaces. Repeat step 3 to create as many nameless files or folders in the same directory.You can also try 255 in place of 0160.

#3 How to Block Websites Without Any Software

Go to C:\Windows\System32\Drivers\Etc
Find the File named “HOSTS”


host 1
Under “ localhost” just add the site you want to block
For Example www.facebook.com
Save the file & exit notepad. (Restart your computer for changes.)
Now both website are blocked at all.
Just add anyother website you want to block but remember last number must increase in every website.
e.g. localhost www.twitter.com www.facebook.com

#4 How To Create Own Run Commands In Windows

Step 1: Create the shortcut for the folder or tool for which you need to create the shortcut.
Right-click on your Desktop and select New -> Shortcut.
You will see a “Create Shortcut” Dialog box
Type notepad.exe then press next.
Then type any name for the shortcut.
Step 2: Open the run command and goto \Windows
run wind
Step 3: Paste the shortcut to that folder and change the name of the shortcut to run command as we want.
For Example i suppose my shortcut name is “MJANJA” and when i open run command and type mjanja my E: Drive Open Automatically.
Now we can open the folder or tool from run command using the name we have given for the shortcut.

#5 How To Disable Right Click On Desktop

Go to Start > Run > type ” regedit “.
Once in regedit go to
     [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\ Explorer] which disables right click for only the current user or
   [HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\ Explorer] which disables the right click for all users.
Now either modify or create a new DWORD value named NoViewContextMenu and set the value data to 1.
Now, exit the registry, and restart your computer for the change to take effect.
 Steps to resolve:
 1. Go to Start >Run >Type “gpedit.msc” click OK.
 2. Get to this location: User Configuration –> Administrative templates –> Windows Components –> Windows Explorer
 3. In the right pane double click on : Remove Windows Explorer’s default context menu.

 4. Select Disable and click OK.

#6 Some Important DOS Commands Which Makes You a Better Programmer

First of all open command Prompt
Go to start> run> cmd
1. To create a new directory.
C:\>mkdir hack
C:\>md hack
[hack is your directory name]
2. To remove a directory.
C:\>rmdir hack
C:\>rd hack
[hack is your directory name].
3. To clear the screen.
4. To see the contents or subdirectory of directory.
C:\>dir /p
[“dir /p” to see page by page].
C:\>dir /a
[“dir /a” to see all directories+hidden directories].
C:\>dir /ah
[“dir /ah” to see only hidden directories].
5. To change the directory.
C:\>cd hack
[hack is your directory name].
[cd followed by 2 periods takes you one level up i.e to the parent directory]
[cd followed by backslash periods takes you to the top directory i.e directly under the drive]
6. To rename a directory or file.
C:\>ren hack hacknew
[By this command the folder hack is rename to hacknew].
7. To move a file from one destination to another.
C:\>move sourcepath destinationpath
C:\>move C:\hack.txt D:\
[hack.txt is your directory name].
8. To create a new file.
C:\>copy con hack.txt
[Once you create the file press enter and type the information inside the file.
To save the file hold CTRL and press Z . This will return ^Z. Once this has been entered press enter to save and exit the file.].
[hack.txt is your file name].
9. To see the content of a text file.
C:\>type hack.txt
[hack.txt is your file name].
10. To delete a file.
C:\>del hack.txt
[hack.txt is your file name].
11. To edit a file.
C:\>edit hack.txt
[hack.txt is your file name].
12. To copy a file from one destination to another.
C:\>copy sourcepath destinationpath
C:\>copy C:\hack.txt D:\
[hack.txt is your file name].
13. To copy a directory from one destination to another.
C:\>xcopy sourcepath destinationpath /s
C:\>xcopy C:\hack D:\ /s
[hack is your directory name]
14. Exit from command prompt.

#7 How To Enable Registry Editor Which Is Disabled By Administrator

Here is a simple trick for you that will enable the registry editor which is disabled by administrator.
Just follow the steps as given below :
1.Open Notepad and copy below codes.
2. Now save the file as anything.reg
3. Double click the save file.
4. Done.


#8 How To Enable God Mode In Windows 7,8,8.1 or 10

To Enable ‘God Mode’ in Windows 7
This trick is running on OS Windows 7,8,8.1 or 10.
To enter the “GodMode” we need to create a new folder.

Then rename the folder to:

The folder icon will change to Control Panel icon and will contain hundreds of Control options Access

#9 How To Hide A Folder Using Command Prompt

If you want to hide a folder named ABC in your C drive.
Just follow the steps as given below :-
STEP 1: Goto Run and type cmd.
STEP 2: Type this code   attrib +s +h C:\ABC  and press ENTER
Try It To Your Own PC
C:\ :Drive name
ABC: Folder name
+h = to hide the folder
+s = to list it as system file – so the hidden will be protected by system
STEP 3: If you want to make that folder appear then…
STEP 4: Type this code  attrib -s -h C:\ABC

#10 How To Hide A Folder Without Any Software

This trick is very interesting..
& its really easy.This trick will allow you to hide folder without any software.
1) Select any file or folder.
2) Right click on it, select ‘Rename’ or simply press ‘F2’.
3) Press and hold the ‘Alt’ key. While holding the Alt key, type numbers ‘0160’ from the numpad.
4) Press Enter and the nameless file or folder will be created.
5) Right click it and select “Properties” select the tab “customize” and select “change icon” scroll along and you should a few blanc spaces click on any one and click ok and save it.
You can easily see this folder which become a hidden folder.you have to make this folder on your deskotp, So no one can see your folder easily and no one access your data easily.
6)Now save your important files in this hidden folder.

#11 How To Hide Hard Drive Partition

This A Very Useful trick who want to hide their data.
Just follow the steps as given below :
1) Go to Start > Run > type “diskpart”.
A DOS window will appear with following description.
2) Then type “list volume”
The result will look something like one as shown below-
3) Suppose you want to hide drive E then type  “select volume 4”
Then a message will appear in same window { Volume 4 is the selected volume}
4) Now type “remove letter E”

Now a message will come { Diskpart Removed the Drive letter }

If You want your partiton back then you have to do this process.
You have to do the same process which you done to hide drive but in the 4th step you have to write “ASSIGN LETTER E”.this command will unhide your drive.
Now Enjoy this cool trick.

#12 How To Hide Data In Notepad

Here is a very interesting trick to hide text inside your windows default text editor”Notepad” using command prompt, but this trick works only on NTFS file system.
1. Go to your command prompt Start–>Run and Type cmd
2. Type cd to move to C:\> drive or Type cd desktop to move to your desktop.
3. Type the below code in your command prompt
notepad file.txt: hidden
4. Write some data and save (Ctrl+s) the file.
5. Browse to the file location and Open file.txt you cannot see any data in the file.
6. To retrieve the hidden data open command prompt and type the same command.
Notepad file.txt:hidden

#13 How To Hide User Account In Windows Login

Go to Start > Run > type ” regedit “.
Step 1:Once in regedit go to HKEY_LOCAL_MACHINE\Software\Microsoft\WindowsNT\CurrentVersion\Winlogon
In the left panel, right click on Winlogon and click New and click Key.
Type SpecialAccounts and press Enter.
In the left panel, right click on SpecialAccounts and click New and click Key.
Type UserList and press Enter.
In right panel of UserList, right click on a empty area and click New then click DWORD (32bit) Value.
Type in the name of the user account that you want to hide and press Enter.eg:  Account.
In the right panel, right click on the user account name and click Modify.
To hide the user account – Type 0 and click OK. (number zero not the letter)
Whenever you want to use the account just unhide the it by typing 1 instead of zero.

#14 How To Change Drive Letter

To change drive letters.
Just follow the steps as given below :
1.Go to Start >Control Panel >Administrative Tools >Computer Management >Disk Management >
Second Method:
You can go directly by typing the command in run: diskmgmt.msc
Then right-click the partition whose name you want to change (click in the white area just below the word “Volume”) and select “change drive letter and paths.” From here you can add, remove or change drive letters and paths to the partition.

#15 How To Change Folder Background

1.Open Command Prompt and set folder attribute to “system”. Suppose there is a folder “DHRUVAL” in “E:\” drive, in which you want to set a wallpaper as background image.
TYPE.:  attrib +s E:\DHRUVAL
2. Now open Notepad and paste following code:
{BE098140-A513-11D0-A3A4-00C04FD706EC} = {BE098140-A513-11D0-A3A4-00C04FD706EC}
Now change “path_of_the_wallpaper” to the exact path of the wallpaper which you want to set as background. Suppose the wallpaper is stored in “D:\Wallpaper\Image1.jpg”.
3. Now save the file with name “Desktop.ini” (including quotes) and copy the file in the desired folder which is “DHRUVAL” in our example.
4. Thats it. Close the folder and re-open it. Now it should show the wallpaper as background.
Black – 0x00000000
White – 0x00FFFFFF
Green – 0x0000FF00
Blue – 0x00FF0000
Purple – 0x00C000C0
Red – 0x000000FF
Yellow – 0x0000FFFF
Indigo – 0x00FFFF00
NOTE: This trick works only in windows xp.

#16 How To Hide Text  Behind The Images

First copy any Image to your C: directory
Open cmd by going Start-Run program- type cmd (Administrative mode)
Type command cd\ in cmd press enter.
Now write command as:
echo “your text to hide” >> image.jpg
change ‘you text to hide’ to your message and also name of the image.
Now go to your image and open it with Notepad and you will your hidden message at the end of the image file contents.
Here you see my hidden text is shown in the notepad at last of the image text.This is a awesome trick to send your secret messages to your friends.

#17 How To Make An UnDeleteable Folder

1. Open cmd ( Type in Run option, the command ‘cmd’ or navigate to All Programs->Accessories-> Command Prompt)
2. In cmd,change the directory that you want. for example to change from your current drive to D drive (Type D:)
3. Type md \lpt1\\ and press enter, the folder now will be in your D:
 4. If you try to delete or rename it, it will appear error message
See You can’t del this folder right with this method.you have to try our mehtod.
5. If you want to delete it just go to ‘cmd’, navigate to the directory and type rd \lpt1\\ and press Enter.

#18 Some Cool Keyboard Tricks

[Windows] + [D]
Show or Hide the desktop
[Windows] + [Home]
Minimize all but selected window. Reverse by clicking the key combination again.
[Windows] + [Spacebar]
Make all open windows transparent to view gadgets and icons on desktop.
[Windows] + left arrow OR [Windows] + right arrow
Dock selected window to the left or right half of your screen.
[Windows] + up arrow OR [Windows] + down arrow
Maximized and restores the selected window.
[Windows] + [Tab]
Launch 3D representation of open windows and click [Tab] key again to flip through them.
[Windows] + [B]
Puts focus on the ‘show hidden icons’ button on the system tray.
[Windows] + [1] To [Windows] + [9]
Launch first through ninth icon on taskbar, including items pinned to taskbar.
[Windows] + [SHIFT] + [1] To [Windows] + [SHIFT] + [9]
Starts new instance of respective taskbar icon.
[Windows] + [Alt] + [1] To [Windows] + [Alt] + [9]
Opens jump list for respective icon.
[Windows] + [T] OR [Windows] + [SHIFT] + [T]
Move focus to front or back of taskbar.
[Alt] + [Ctrl] + [Tab] + left/right/up/down arrow
Flip window.
[Alt] + [Tab]
Cycle through open windows.
[Windows] + [P]
Select the Projector Mode
[Windows] + [+] OR [Windows] + [-]
Activates Windows Magnifier to zoom in or out of screen.
[Ctrl] + [Alt] + [D]
Switch to docked mode.
Ctrl] + [Alt] + [L]
Switch to lense mode.
[Ctrl] + [Alt] + [F]
Switch from docked or lens mode back to full screen mode.
[Ctrl] + [Alt] + [I]
Invert colors.
[Windows] + [Esc]
Exist magnifier views.
[Windows] + [G]
Cycle through desktop gadgets.
[Windows] + [X]
Launches Windows Mobility Center. Especially useful if you’re working on a laptop

#19 How To Lock A Folder Without Any Software

1. Open notepad and paste the following code in it.
 2. Change the password in place of (qwerty)
3. Save the notepad as: Locker.bat
4. At first time start it will create folder with Locker automatically for u.
5. After creation of Locker folder again click on the Locker.bat
6. It will ask.press Y then Locker folder will be disappeared.
7. Again to get it click on locker.bat and give your password you will get the folder again.
note: current password is qwerty
@color A
@echo off
if EXIST “Dhruval Patel” goto UNLOCK
if NOT EXIST Locker  goto mdfolder
echo Are you sure want to lock the locker(Y/N)
set/p “ch=”
if %ch%==y goto lock
if %ch%==Y goto lock
if %ch%==n goto end
if %ch%==N goto end
echo invalid choice
goto confirm
ren locker “Dhruval Patel”
attrib +s +h “Dhruval Patel”
echo lock successfully
goto end
echo Enter password for unlock
set/p “pass=”
if NOT %pass%==qwerty goto fail
attrib -s -h “Dhruval Patel”
ren “Dhruval Patel” locker
echo Unlock successfully
goto end
echo Invalid Password
goto end
md locker
echo Locker created successfully
goto end
echo Locker generated by Dhruval Patel
echo www.HowToDoAnything.org
When You Run The Batch File There a folder “Locker” Automatically Genrated.Put your stuff in this folder.
After this process run the locker.bat again.this time it wiil ask you that you want  to lock the folder.Press “Y” and then hit enter to lock the folder
You Will see your locker folder disappear automatically.
you have to run the script again to get access of your folder.
You have to enter your password to access the folder.


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Kungua unaeza fata hii:
– Tembelea www.gmail.com AU accounts.google.com au google kuhusu gmail alafu ubonyeza matokeo ya kwanza.
– Chagua CREATE NEW alafu ujazi unavyoulizwa alafu ukaseme next….au unaweza kufata jinsi tumejaribu kuelekeza katika hii video.