Class Notes

We have considerable latitude in what we study this semester. The following topics are in the course outline and must be covered:

Script Programming
Operating System Interface
Program Execution
User Related Tasks
Files and Directories
Interprocess Communication

Additional topics will be added based on student and instructor interest. You are encouraged to explore the resources and provide input for additional topics throughout the course of the semester.

We will cover many of the chapters listed here, but not in the order given at the beginning of the semester. This page will be updated as the semester progresses.

Notes

Background
- Chapter 1 History and Standards
  - History
  - A side trip to command line arguments.
  - A note on accessing example programs.
- Chapter 2 Fundamental Concepts
  - Fundamental Concepts I
  - Fundamental Concepts II
- Chapter 3 System Programming Concepts
  - Part I
Files and Directories, and program execution
- Chapter 4 File I/O: the Universal I/O Model
- Chapter 5 File I/O: Further Details
- Chapter 6 Processes
- Chapter 24 Process Creation
- Chapter 26 Monitoring Child Processes
- Chapter 44, Pipes (somewhat)
  - Introduction
  - I/O system call overview.
  - I/O system calls.
  - Lseek
  - Race Conditions and Fork
  - Wait, dup, pipe
  - All Code for this section.
- Chapter 25 Process Termination
  - Termination
  - All Code for this section.
- Chapter 27 Program Execution
  - Introduction to exec
  - more on exec
  - All Code for this section.
Bash Script Programming
- Bash variables
- The test statement
- If
- loops
- functions
- All Code for this section.
Users
- Chapter 8 Users and Groups
  - Introduction to Passwords
  - Introduction to Groups
  - Crypt
  - Crypt options
  - All Code for this section.
- Chapter 9 Process Credentials
  - Process Credentials.
  - More Process Credentials.
  - All Code for this section.
Chapter 10 time
- Introduction
- Broken Down Time
- Process Time
- All Code for this section.
Files
- Chapter 15 File Attributes
  - Introduction
  - All Code for this section.
- Chapter 18 Directories and Links
  - Introduction
  - Reading Directories
  - Directories and Processes
  - All Code for this section.
Chapter 20 signals
- Introduction
- Signal, Kill, Raise
- Better Signal Functions
- All Code for this section.
Chapter 21 Signal handlers
- Introduction
- All Code for this section.
Python Script programming
- Introduction
- System Level Commands
- All Code for this section.
Threads
- Chapter 29 Threads Introduction
- Chapter 30 Thread Synchronization
- Chapter 31 Thread Safety and Per-thread storage
Inter-process Communications
- Chapters 43 through 61
Additional Topics
- Chapter 23 Timers
- Chapter 37 Daemons
- Chapter 13 File I/O Buffering
- Chapter 14 File Systems
- Chapter 28 Program Execution