____ hackers act as mentors to new hackers. They write scripts and tools that others use.?

The manner in which text displays around an object is ________

Fill in the blank(s) with correct word

A flaw in the protection system of many operating systems is argument passing. Often, a common shared stack is used by all nested routines for arguments as well as for the remainder of the context of each calling process.

Explain what vulnerabilities this flaw presents. Explain how the flaw can be controlled. The shared stack is still to be used for passing arguments and storing context.