W04

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Week 04 Objectives

Midterm Exam 1

This Week

Read before Next Week

Standard and String I/O in stdio.h

Standard I/O

Standard Input

Standard Output

Standard Error

String I/O

File I/O in stdio.h

Standard I/O Redirection in Linux terminal (shells)

File I/O

File Input

File Output

Predefined File Pointers

Opening and Closing Files

Copying Text Files

Three Faces of Memory

1) Process View = Virtual Memory

2) System View = Illusionist (CS 537)

3) Hardware View = Physical Memory

Memory Hierarchy

Virtual Address Space (IA-32/Linux)

Virtual Address Space Layout

C’s Abstract Memory Model

1. CODE Segment

2. DATA Segment

3. HEAP (AKA Free Store)

4. STACK (AKA Auto Store)

Meet Globals and Static Locals

What?

Why?

How?

Where Do I Live?

Linux: Processes and Address Spaces

Process and Job Control

Program Size

Virtual Address Space Maps