Basically, Memory management in operating system is used to manage an handles the primary memory and keep track of each and every location where the memory is located. It moves forth and back processes between disk and memory during the execution.
The activity of handling the removal and selection of the running process on the basis of particular strategy is termed as Scheduling in operating system.
Since, these two OS functions takes the most important role to study architecture of computer and organization. Hence, the answer will be true.
Based on the information provided within the question it can be said that the term that is being described is called Hypertext. This is an integrated software function that is found in many operating systems which allows the user to link different text and documents together for immediate access when the documents are logically related to one another.