--%>
Assignment Help - homework help

Purpose of exec functions

Specify the purpose of exec functions?

E

Expert

Verified

Whenever a process calls one of the exec functions, that particular process is fully replaced through the new program. New program starts its execution from the main function. The processed does not alters across an exec since a new process is not created. However, this function substitutes the current process with the new program from the disk.

   Related Questions in Programming Languages

  • Q : Define Anonymous object Anonymous

    Anonymous object: An object formed without an identifier. They are generally formed as array elements, actual arguments or method outcomes. For example:     private Point[] vertices = { &n

    		•
  • Q : Explain If-else statement If-else

    If-else statement: It is a control structure employed to select between performing one of two alternative events.     if(boolean-expression){        // Statem

    		•
  • Q : Protocol stack of XML Web Services

    Explain the protocol stack of XML Web Services.

    		•
  • Q : Property Specifications of Java

    Property Specifications: The most straightforward way to specify and check simple safety properties in JPF is to use Java assertions inside the application under analysis. This allows the specification of properties that only depend on the application

    		•
  • Q : Main function of context switching What

    What is the main function of context switching?

    		•
  • Q : Explain Branch instruction Branch

    Branch instruction: It stores a new instruction address into the program counter. The consequence of this is the next instruction to be fetched will not generally be the one instantly following the branch instruction. Therefore the normal chronologica

    		•
  • Q : How would you extract an exact

    How would you extract an exact attribute by using XSLT, from an element into an XML document?

    		•
  • Q : Programming with C# QUESTION 1      

    QUESTION 1       The following UML diagram describes an abstract class Customer. This class is to be used as part of a Company's inventory system. The inventory system will contain many different types of customers.  A separate s

    		•
  • Q : Monte Carol method to estimate pi An

    An interesting way to estimate pi can can done using Monte Carol method with minimal mathematics. Monte Carlo is known for its casinos. A Monte Carlo method uses change, or in our case, random numbers to simulate the real situation. The situation we simulate here is t

    		•
  • Q : Explain the term accessibility testing

    Explain the term accessibility testing.

    		•