--%>
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 : Describe Method result Method result :

    Method result: The value returned from a method through a return statement. The kind of expression in the return statement should match the return type declared in method header.

    		•
  • Q : Special set of tags in PHP Normal 0

    Normal 0 false false

  • Q : What is Dotted decimal notation Dotted

    Dotted decimal notation: The notation employed to symbolize the 4-byte values of an IP address. Each and every byte is symbolized as a value between 0 to 255, for instance 129.12.0.1. The most noteworthy byte is written at first.

    		•
  • Q : How Does Run time data handled into QTP

    How Does Run time data i.e. Parameterization is handled within QTP?

    		•
  • Q : Define Stream class Stream class : An

    Stream class: An input stream class is one which delivers data from its source (frequently the file system as a series of bytes. Likewise, an output stream class will write byte-level data. The stream classes must be contrasted with the operation of r

    		•
  • Q : What is an Object Object : It is an

    Object: It is an instance of a particular class. In common, any number of objects might be constructed from a class definition. The class to which an object belongs states the common characteristics of all instances of that class. In those characteris

    		•
  • Q : Define the term Catching exceptions

    Catching exceptions: Exceptions are caught in the catch clause of the try statement. Catching an exception provides the program a chance to recover from the trouble or attempt a repair for whatsoever caused it.

    		•
  • Q : Describe Throw an exception Throw an

    Throw an exception: Whenever an exceptional circumstance occurs in a program - frequently as an outcome of a logical error and exception object is formed and thrown. When the exception is not caught by an exception handler, the program will finish wit

    		•
  • Q : Define Implements clause Implements

    Implements clause: That part of a class header which points out which interfaces are applied by the class. A class might implement for more than one interface.

    		•
  • Q : Functions of Interrupts and system calls

    What are the various functions of Interrupts and system calls?

    		•