--%>

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 : Limit the Scope of Data Declarations

    Limit the Scope of Data Declarations at the smallest possible level is consistent with the well known principle of data hiding. It stops one module from inadvertently referencing and modifying data values which are only meant to be used by another mod

  • Q : State the term Web application State

    State the term Web application?

  • Q : Explain the Automated Software testing

    Explain the Automated Software testing life cycle.

  • Q : What is Boolean expression Boolean

    Boolean expression: It is an expression whose outcome is of type Boolean, that is, gives a value of either true or false. The operators like && and || take Boolean operands and generate a Boolean outcome. The relational operators obtain operan

  • Q : What is an Anonymous class Anonymous

    Anonymous class: It is a class formed without a class name. Such a class will be a sub class or an implementation of an interface, and is generally formed as an actual argument or returned as a method outcome. For example:

    Q : What is an Operand Operand : An operand

    Operand: An operand is an argument of the operator. Expressions comprise combinations of operands and operators. The value of an expression is determined by exerting the operation stated by each and every operator to the value of its operands.

  • Q : How authorities save their Private Keys

    How do certifying authorities save their Private Keys?

  • Q : Calculate the summation of 1 to some

    Write two programs to calculate the summation of 1 to some integer n using a function called int summation(int n) a) Using a non recursive solution, with a for(i=1, i<=n; i++) loop and b) using a recursive solution, based on the following conditions summation(n) = summation(n-1

  • Q : Explain Cast Cast : Where Java does not

    Cast: Where Java does not allow the utilization of a source value of one type, it is essential to use a cast to force the compiler to admit the use for the target type. The care must be taken with casting values of primitive types, as this frequently

  • Q : System Architecture for Windows

    Tell me about the System Architecture for Windows Programming?