COSC350 SYSTEM SOFTWARE, FALL 2024

COSC350 SYSTEM SOFTWARE

Fall 2024 (08/26/24 ~ 12/09/24)

Week

Lecture Notes

Announcement

Week-01

(08/26/24 ~ 08/30/24)

Note #0 .PDF

· Introduction to COSC350

Note #0.1 .PDF

· How to use Linux on Window

Note #1 .PDF

· About LINUX Operating System

· What is GNU/LINUX Project

· Introduction to C Programming

· C System Environment

· C compilers in LINUX

· Linux System Roadmap

o Header files

o Libraries

· Static Libraries

· Shared Libraries

No lab this week.

Week-02

(09/02/24 ~ 09/06/24)

LABOR DAY (9/2/24)

Note #2 .PDF

· What is the shell

· Simple Bash Commands

· Redirecting Input and Output

· Pipeline

· Shell Scripts

Week-03

(09/09/24 ~ 09/13/24)

Note #3 .PDF

· Shell Scripts

· Shell Programming

· Shell Syntax

o Variables

o Quoting

o Environment Variables

o Parameter Variables

o Condition

o The test or “[“ command

Note #4 .PDF

· Control Structures

o if statement

o if-else-if statement

o for loop statement

o while loop statement

o until loop statement

o case statement

Week-04

(09/16/24 ~ 09/20/24)

Note #5 .PDF

· Functions

o Function with local variable

o Function with return value

o Bash recursive function

· Other Commands

o break Command

o continue Command

o eval

o exit

o export

o expr

o printf

o set

o shift

Note #6 .PDF

· File System

o File Name, File Structure, File Types, File Access, File Attributes, File Operation

· Directories

o Directory Operations

· File System Layout

· Implementing File

o Contiguous Allocation

o Linked List Allocation

o Linked List Allocation with File Allocation Table

o Index-Node

· Implementing Directories

· Linux File Structure

· File Implementation in Linux

Mini-Test #1 (9/18/23) .PDF

Note#1, #2, #3, #4, #5

Week-05

(09/23/24 ~ 09/27/24)

Note #7 .PDF

· System Calls vs. Library Functions

· File Descriptors for a process

· System Call for Managing Files

o write()

o read()

o open()

o close()

o lseek()

o pwrite(), pread();

Note #8 .PDF

· sync(), fsync()

· File copy

· Command Line Argument

· File Sharing

· dup() and dup2() System Cal

· sat(), fsat(), lsat() system Call

· ID’s for a process

· File Access permission

· access() System Call

· umask() System Call

Week-06

(09/30/24 ~ 10/04/24)

Note #9 .PDF

· chmod(), fchmod() system call

· File system in Linux

· link(), unlink() system calls

· File truncation with truncate()

Note #10 .PDF

· Symbolic Links

o Symbolic link to directory

o Symbolic link to a executable file

· symlink() System Call

· File Times

o utime() System Call

· mkdir() and rmdir() System Call

· chdir() Systemcall

· Standard I/O Libaries

· System Data Files and Information

· Password File

Note #11 .PDF

· System Data Files

o Password File

o Shadow Password File

o Group Password File

o Other System Data Files

· Hosts

· Networks

· Protocols

· Services

o Login Account

o Time and Date

Mini-Test #2 (10/2/23) .PDF

Note #6, #7, #8

Week-07

(10/07/24 ~ 10/11/24)

Note #12 .PDF

· Process Environment in Linux

o Process Termination

o Environment List

o Memory Layout of a C Program

o Dynamic Memory Allocation and Deallocation

§ malloc()

§ calloc()

§ realloc()

§ free()

o Environment Variables

Midterm 1 Review .PDF

Midterm #1 (10/9/24) .PDF

Note #1, 2, 3, 4, 5, 6, 7, 8, 9

Week-08

(10/14/24 ~ 10/18/24)

Note #13 .PDF

· Process Control

o What is process?

o Process identifier

o The fork() System Call

o File Sharing

o Race Condition

Note #14 .PDF

· Process Termination

· Zombie Process

· wait() and waitpid() System Call

· Orphan Process

· exec System Calls

o execl()

o execv()

o execle()

o execve()

o execlp()

o execvp()

Lab reference .PDF

Week-09

(10/21/24 ~ 10/25/24)

Note #15 .PDF

· Concept of Signals

o Linux Signals

o The signal System Call

o Unreliable Signals

· signal() System Call

· The kill() and raise() System Call

· The alarm() System Call

· The pause() System Call

Note #16 .PDF

· Signal set

· The sigprocmask() system call

· The sigaction() system call

· Interprocess Communication

· The sigsuspend() system call

· The abort() system call

Week-10

(10/28/24 ~ 11/01/24)

Note #17 .PDF

· Concept of Thread.

· Other View of Thread

· Summary of Thread

· Benefits with Multiple Threads

Note #18 .PDF

· What is pthreads

· The Thread ID

· The Thread Creation

· The thread Termination

· The pthread_join() function

· Mutex

· The pthread_cancel function

· The pthread_cleanup_push() function

· The pthread_cleanup_pop() function

Mini-Test #3 (10/28/24) .PDF

Note #12, #13, #14, #15 (before signal)

Week-11

(11/04/24 ~ 11/08/24)

Note #19 .PDF

· The pthread_detach()

· Condition Variable

o pthread_cond_destroy()

o pthread_cond_init()

o pthread_cond_timedwait()

o pthread_cond_wait()

o pthread_cond_broadcast()

o pthread_cond_signal

Note #20 .PDF

· Interprocess Communication with Pipe

o Pipe from the Parent to the child

o Pipe from the child to the parent

o popen() with “r”

o popen() with “w”

Week-12

(11/11/24 ~ 11/15/24)

Note #21 .PDF

· Corprocess

· FIFOs

Note #22 .PDF

· XSI IPC

o Message Queue

o Semaphore

o Shared Memory

Mini-Test #4 (11/11/24)

Note #15 (begin with Signal), #16, #17, #18

Week-13

(11/18/24 ~ 11/22/24)

Note #23 .PDF

· Producer-Consumer Problem

o Race condition in Producer-Consumer Problem

· Semaphores

o Concept of Semaphores

o Semaphore Operation

o Producer-Consumer Problem with Semaphore

o Dinning Philosopher’s Problems

Midterm #2(11/18/24)

Note #12, 13,14, 15, 16, 17, 18, 20, 21(before FIFO)

Week-14

(11/25/24 ~ 11/29/24)

THANKSGIVING BREAK (11/27/24 ~ 11/29/24)

Week-15

(12/02/24 ~ 12/06/24)

Week-16

(12/09/24 ~12/10/24 )

Final Exam Week

(12/11/24 ~ 12/17/24)

Final Exam: Comprehensive

Date: 12/17/24

Time: 08:00 A.M. ~ 10:00 A.M.