--%>

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 : CORBA In what respects did CORBA seek

    In what respects did CORBA seek to improve on technologies such as SunRPC?

  • Q : Explain Exclusive-or operator

    Exclusive-or operator: An exclusive-or operator (^) is both a Boolean operator and the bit manipulation operator. The Boolean version provides the value true when only one of its operands is true; or else it offers the value false. Likewise, the bit m

  • Q : Explain the difference between a

    Explain the difference between a computer process and thread.

  • Q : Problem on three dimensional diagram of

    Create a three dimensional diagram of function z = (x-2)2 + (y-3)3.

  • Q : State the term XLL State the term XLL?

    State the term XLL? Answer: The specification of XML Link Language has XPointer or XLink.

  • Q : Web based programming homework

    Component 2 Task b: Task Description Computing students at this University who study on undergraduate courses require a method to view their module marks and to see how they are progressing on the module. You have been asked to develop a web

  • Q : What is File Transfer Protocol or FTP

    File Transfer Protocol: The File Transfer Protocol (abbreviated as FTP) states a standard set of rules which make it probable to transfer a file from one file system to the other.

  • Q : Explain Method overloading Method

    Method overloading: Two or more techniques with similar name stated within a class are said to be overloaded. This exerts to both constructors and other methods. The overloading applies via a class hierarchy, thus a sub class may overload a method sta

  • Q : Define the term Monitor Define the term

    Define the term Monitor: It is an object with one or more synchronized techniques.

  • Q : What is an Arithmetic expression

    Expression: It is a combination of operands and operators which generates a resultant value. Expressions contain a resulting type that affects the context in which they might be employed.