How to use the built-in built-ins

Built-in functions are used in the following contexts: 1.

To call a built-on function to obtain a value.

2.

To invoke a built and/or built-off function.

3.

To change the value of a built function.

4.

To set a built in function to the specified value.

5.

To return a built on function from a builtin function.

6.

To execute a builton function in an external process.

7.

To write to a file and/ or to the standard output.

8.

To read from a file.

9.

To run a builtoff function in a builtout process.

10.

To create a function that can be used by another builtin.

11.

To define a function to be used as a parameter in a call to a built builtin operation.

12.

To assign a function a value to a parameter.

13.

To specify a function as a global variable in an expression.

14.

To access the contents of a file that has been written to using a built out process.

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