1. COP3502: Introduction to Computer Science Yashas Shankar Lecture #2

2. Welcome to COP3502: Introduction to Computer Science  Instructor: Yashas Shankar  Email: shankar@cs.fsu.edushankar@cs.fsu.edu  All e-mails must be from your CS account (except for the first week)  All e-mails must start with “COP3502:” in the subject line  All e-mails must contain your full name  Office: TBA  Office hours: T,R 11:00AM-12:30PM

3. Acknowledgement  Parts of slides presentations used in this course are copied from slides presentations from previous instructors of this course  Mr. Daniel Chang  Dr. Sara Stoecklin

4. Basic knowledge about computers  To utilize computers you need both hardware and software Hardware Operating system Software Hardware Desktop, laptop. Operating systems Windows XP, Vista, Unix, Linux, MaxOS Software Office, Photoshop

5. Your first software for this course  SSH (Secure shell)  You will need this software to do your class material + homework  CS computer lab and ACNS computer lab have SSH  You can download SSH and install into your computer by visiting “system.cs.fsu.edu”  Click on “New user info”  Click on “SSH how to”  Read instructions and download the file  Install SSH  You will need SSH to create your CS account and you must have your CS account before Wednesday next week

6. Your first real homework  Get a CS account  You can start doing it this Friday (after the end of drop/add period, when the system group have the final roaster of CS students)  Send e-mail to me (shankar@cs.fsu.edu) with your CS account by 11:59pm next Thursdayshankar@cs.fsu.edu  This is all or nothing homework: you either get full score or zero  You may have around 20 homeworks, so this will be approximately 2.5% of your final grade. Start working on it this Friday.  E-mail subject  COP3502: Assignment#1 submission  E-mail body  your full name

7. How to send e-mails  Obtain your CS account first  SSH to shell.cs.fsu.edu  Type ‘pine’  Pine is an e-mailing program that you will be using throughout this course

8. Basic UNIX commands  ls – list files and directories (folders)  pwd – tells what directory you are in  mkdir – make new directory  cd – change directory  cp – copy a file  mv – rename a file or directory  rm – remove directory

9. Basic UNIX commands  Type 12-enter to go to command prompt  ls  list files and directories (folders) in your current directory  pwd  tell you where you are Garnet root directory ppp2131 home directory Public_html

10. Basic UNIX commands  mkdir  make directory  mkdir COP3502  Try ls now Garnet root directory ppp2131 home directory Public_html COP3502

11. Basic UNIX commands  cd  change directory  cd COP3502  Try pwd now  cd..  move you up one directory (purple to red, red to grey)  Try pwd now Garnet root directory ppp2131 home directory Public_html COP3502

12. Basic UNIX commands  Create a file  emacs ppp2131.txt  Type “hello this is my first text file in this course”  Type CTRL-X-S to save  hold down CTRL then X, release X, then S while still holding CTRL  Type CTRL-X-C to exit  Try ls now Garnet higher directory ppp2131 home directory Public_html COP3502 ppp2131.txt

13. Basic UNIX commands  Copy a file  cp ppp2131.txt temp.txt  cp “source” “destination”  Try ls now Garnet higher directory ppp2131 home directory Public_html COP3502 ppp2131.txt temp.txt

14. Basic UNIX commands  display a file  Try cat ppp2131.txt  Try cat temp.txt  Remove a file  rm temp.txt  Try ls now Garnet higher directory ppp2131 home directory Public_html COP3502 ppp2131.txt temp.txt

15. Basic UNIX commands  See handouts including homework (due next Wednesday)

16. Reminder  Asg#1 due next Thursday at 11:59PM  Get your CS account and send me an e-mails  Asg#2 due next Thursday at 5:15PM in class  Basic UNIX commands  You may expect a quiz on basic UNIX commands next Thursday  it will be easy