Add user in sudoers file

User name not found in Sudoers file.

Try this, it will definitely help you

1. Start terminal
2. apply following commands
     $ su -
     $ chmod u+rw /etc/sudoers

3. open
       sudoers file with  $ vi /etc/sudoers
                         or       $ gedit /etc/sudoers
Note : recommended is vi .

4. Add entry with user name i.e <user name> ALL = (ALL)ALL
    or what permission you want to give

5. chmod u-w /etc/sudoers

That's it .

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Making computer unable to start

 Click Start and then Run and type in regedit find the directory \HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windo ws NT\CurrentVersion  
Now Look For The Key Called : SystemRoot
 Double Click On It And Change It To What Ever u Want except for C:\WINDOWS

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"Sequence Point" in C

                           A sequence point is a point at which the dust has settled and all side effects that have seen so far are guaranteed to be complete.
      In C following are described as sequence point :

•           at the end of full expression.(not a sub expression)
•           at the ||,&&,?: and comma operator
•           a function call ( after evaluation of all the arguments and just before the actual call)

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