--%>
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 : Explain Structured programming

    Structured programming: It is a style of programming generally related with languages like FORTRAN, C, Pascal and so forth. Employing structured programming methods, a problem is frequently resolved employing a divide and conquer approach like stepwis

    		•
  • Q : What is Reflection Reflection : It is

    Reflection: It is the ability to find out what fields, methods, constructors, and so forth, are stated for an object or class. Reflection is supported by the Class ‘class’, and other classes in the java.lang.reflect package. Reflection mak

    		•
  • Q : Top command Specify, what does the top

    Specify, what does the top command displays?

    		•
  • Q : Explain Object reference Object

    Object reference: It is a reference to an object. Languages other than Java employ terms like pointer or address or. It is significant to keep the difference clear between an object and its reference. The variable like argo

    Q : Explain in process verses out of

    Explain in process verses out of process component.

    		•
  • Q : Use of Macros used in windows-dot-h

    What is the use of Macros used in <windows.h> header files?

    		•
  • Q : Define Finally clause Finally clause :

    Finally clause: This is a part of try statement which is always executed, either subsequent the handling of caught exception, and normal termination of the protected statements.

    		•
  • Q : ERD What is the meaning ofDerive the

    What is the meaning ofDerive the department and staff relations from the following ERD.

    		•
  • Q : ArrayLists I. The Assignment The

    I. The Assignment The Bashemin Parking Garage contains a single lane that can hold up to ten cars.  Arriving cars enter the garage at the rear and are parked in the empty space nearest to the front.  Departing cars exit only from the front.  If a cu

    		•
  • Q : What is HSB Color Model HSB Color Model

    HSB Color Model: A color model based on symbolizing a color as 3-components: hue, saturation and brightness. This is at times termed as the HSV color model - hue, saturation and value.

    		•