--%>
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 : 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 : Define the term createWindow object

    Define the term createWindow object? Answer: reateWindow() physically makes the Window in memory  based upon the earlier registered WND

    		•
  • Q : Explain the major elements of the ADO

    Explain the major elements of the ADO object model and it’s used?

    		•
  • Q : How you can develop your capability in

    How you can develop your capability in test?

    		•
  • Q : What is Cascading if-else statement

    Cascading if-else statement: A form of if-else statement in which all else-part (apart from the last) comprises of a further nested if-else statement. Employed to overcome the trouble of textual drift frequently related with nested if statements.

    		•
  • Q : Define the term Address space Define

    Define the term Address space: The region of virtual memory in which a procedure is run.

    		•
  • Q : Virtual memory used in Windows

    Explain why the virtual memory is to be used in Windows architecture?

    		•
  • Q : What is Timeslice Timeslice : It is the

    Timeslice: It is the amount of running time assigned to a process or thread prior to the scheduler considers the other to be run. The process or thread will not be capable to employ its full allocation of time when it becomes blocked or preempted thro

    		•
  • Q : Explain Window manager Window manager :

    Window manager: This is a window manager which provides a computer user with a virtual desktop having one or more windows and working regions in which individual programs might be run. Window managers permit the contents of a user's desktop to be arra

    		•
  • Q : What is Stepwise refinement Stepwise

    Stepwise refinement: It is a divide and conquer approach to the programming, in which a complicated problem is recursively divided into smaller, sub-problems and more manageable. This approach to program design is frequently employed with structured p

    		•