ES 103.06 Lab I Windows, Explorer, E-mail, FTP, news

1. User Applications Virtual Machine Interface Physical Machine Interface Hardware ES 103.06 Lab I Windows, Explorer, E-mail, FTP, news OPERATING SYSTEMS Erkan Korkmaz - ES103

2. OPERATING SYSTEM: an interface between the user and the architecture (implements a virtual machine that is –hopefully- easier to program than the raw hardware) EX: provides - the file system - virtual memory - networking - CPU scheduling - time-sharing Dos, Windows, Linux, Unix ... Examples for operating systems Erkan Korkmaz - ES103

3. DOS – Disk Operating System The main use of DOS is the organization of data. DIRECTORY STRUCTURE Erkan ES103 (folders) (files) Lecture1.doc Lecture2.doc Lecture3.doc lectures exams CSE459 lectures exams Erkan Korkmaz - ES103

4. desktop Open applications icons Recycle bin (Trash) language START Today, (most) computers start with Windows: Windows 2000, Windows XP STARTING YOUR COMPUTER Either CTRL+ALT+DEL to log on (2000), Or password directly (XP) Erkan Korkmaz - ES103

5. SHUTTING DOWN YOUR COMPUTER LOG OFF - TURN OFF buttons/options Erkan Korkmaz - ES103

6. Crashing computers (if you have to resort to this, or sometimes even harsher, methods… …give your computer ~60 sec. before restarting, so that the spinning parts of your computer stop) CTRL+ALT+DEL Erkan Korkmaz - ES103

7. Use HELP whenever there is something wrong and you don’t know what to do!!! Read TROUBLESHOOTING… Windows Explorer Drag and drop Copy and paste Cut and paste To choose files: SHIFT+click CTRL +click Erkan Korkmaz - ES103

8. Looking for files??? Erkan Korkmaz - ES103

9. SETTINGS AND CONTROL PANEL Erkan Korkmaz - ES103

10. MY COMPUTER Erkan Korkmaz - ES103

11. The Internet Age Erkan Korkmaz - ES103

12. INTERNET = a series of computers networked together worldwide 1969 – US Department of Defense – developed a computer network for the military ARPANET = Advance Research Projects Agency - Network Today, there is no single owner of the internet !!! Two (or more) computers connected together (for printing, etc purposes) = LOCAL AREA NETWORK (LAN) Erkan Korkmaz - ES103

13. NETWORKED COMPUTERS Host Computers Client Computers Usually information providers Need more disk space Need faster connections Eg. Your home computer Less processor power Less storage space Usually make the connection through a MODEM (modulator / demodulator) PORTS : specific “post office windows” through which you wait in line & collect the specific information requested (eg. e-mail) Erkan Korkmaz - ES103

14. Inter-personal communication (at least 1 sender and 1 recipient) More like “information libraries” MICROSOFT OUTLOOK EXPRESS 7 PORTS: - email - Usenet news - Telnet - FTP - WAIS - Gopher - WWW Erkan Korkmaz - ES103

15. Tools E-MAIL ACCOUNT Erkan Korkmaz - ES103

16. #s can be hard to remember, therefore we also use DOMAIN NAMES www.yeditepe.edu.tr 212.50.55.31 ISP : Internet Service Provider eg after the Dial-up connection, your computer activates a Winsock Winsock allows the computer to communicate with the outside world through: TCP / IP :Transmission Control Protocol and Internet Protocol 1) IP address :like a phone #; defines a host machine or a gateway Erkan Korkmaz - ES103

17. 2) PORT number :like the # of each application eg. WWW PORT: 80 POP3 PORT: 110 SMTP PORT: 25 IP address + PORT # = SOCKET (DNS – Domain Name System : can give the domain name, and search the IP #) Internet connection: IP 205.217.201.3port80 =http://www.arrl.org URL – Uniform Resource Locator Erkan Korkmaz - ES103

18. TO: receiver@domain CC: another_receiver@another_domain CC: carbon copy POP3 : Post Office protocol 3 Server running on host computer that provides you with incoming mail SMTP : Simple Mail Transport Protocol Another server on host computer that accepts E-mail (like the streetcorner mailbox where you can drop in mail) Erkan Korkmaz - ES103

19. USENET : A worldwide distributed discussion system Consists of a set of newsgroups ARTICLES or MESSAGES are posted USENET IS NOT: -an organization -a democracy -fair -a right -a public utility -an academic utility -an advertising medium -the Internet -a software Erkan Korkmaz - ES103

20. USENET is a set of people exchanging articles It is a society, and you need to have certain SOCIAL SKILLS !!! In either E-mail or the Usenet, remember to follow the NETIQUETTE (the art of getting along with the other NETIZENS) • Be calm with your statements • Apologize • Bow down to the ‘elders’ Erkan Korkmaz - ES103

21. Electronic Mail Erkan Korkmaz - ES103

22. TELNET A telecommunications software utility – allows you to access a remote computer FROM START : Choose run write telnet yeditepe.edu.tr Can read e-mail through e-mail reader (PINE) Can talk to others on the system (TALK LOGIN) (they may not accept to talk to you, however) etc Erkan Korkmaz - ES103

23. FTP – File Transfer Protocol Telnet = allows you to connect to the remote conputer and run a computer there FTP = you can connect to remote computer and transfer files back and forth START – choose run write ftp 212.50.57.30 cd change directory get filename.doc (copy the file to your computer) cd . cd .. put filename.doc (copy the file to remote computer) mkdir make directory bye Erkan Korkmaz - ES103

24. FTP Client Software: example - CuteFTP Remote computer Your computer Erkan Korkmaz - ES103

25. LAB HOMEWORK: 1- Go to Bilgi Islem and get yourself an e-mail account opened, if you already haven’t ask them to also give you some space for web page (username&password) 2- Subscribe to the ES103 mailing list es103@cse.yeditepe.edu.tr Don’t forget your Netiquette !!! Give your name, section (ES103.06) 3- Find a Usenet newsgroup in your field (Electrical and Electronic Engineering) Register and post your first message 4- Download a CuteFTP free demo version Using the passwords given to you for webpage, and the CuteFTP, create 2 directories Erkan Korkmaz - ES103