--%>

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 different types of variable iv

    The kind of value that a variable can own is known as data type. When we state a variable we require specifying the type of value it will own with the n

  • Q : What is decimal Decimal: The number

    Decimal: The number representation in decimal is base 10. In base 10, the digits 0 to 9 are utilized. Digit positions symbolize successive powers of 10.

  • Q : Explain the way to write the opening

    Explain the way to write the opening tag of an XHTML element.

  • Q : What is PIDs What is meant by the PIDs?

    What is meant by the PIDs?

  • Q : Define Unions Unions: Unions in C and

    Unions: Unions in C and C++ are object overlays—aggregate quantities such as structs, except that each element of the union consists offset 0, and the total size of union is only as large as is required to hold its largest member (Kernighan and

  • Q : What is Native method Native method :

    Native method: In native method, the method is written in a language other than Java, however accessible to a Java program. Native methods are far away from the scope of this definition.

  • Q : Use the Processing program for the

    1. Here is a short program. It prints out the value of a variable "x". Ernie and Bert disagree about what will be printed: Ernie says, the value gets changed in "changeX" so it will print "7", and Bert says, no, when the function exits the changes get reversed and the value goes back to "5". Expl

  • Q : What is sticky bit Explain the sticky

    Explain the sticky bit?

  • Q : Describe object-oriented programming

    Briefly describe object-oriented programming (OOP)?

  • Q : Define Object serialization Object

    Object serialization: The writing of an object's contents in such a manner that its state can be restored, either at a later time, or in a different procedure. This can be employed to store objects between runs of a program, or to transfer or shifts o