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Marvin Simkin simkin.asu

Marvin Simkin http://simkin.asu.edu. Get Ready to Race!. Teams of two (or three) One person works the computer Other person raise hand when done. Go To This Web Site http://zotline.com. A program. In English: Calculate the area of a rectangle 5m by 10m

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Marvin Simkin simkin.asu

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  1. Marvin Simkinhttp://simkin.asu.edu

  2. Get Ready to Race! • Teams of two (or three) • One person works the computer • Other person raise hand when done

  3. Go To This Web Sitehttp://zotline.com

  4. A program • In English: • Calculate the area of a rectangle 5m by 10m • Store the result where I can use it later • Call it “LAWNSIZE” for future reference • Computer language: • LAWNSIZE = 5 * 10

  5. The Power of Unix • Automation • Use the keyboard not the mouse • Commands in files

  6. The Unix File System

  7. Secure Shell

  8. Secure Shell – Client

  9. Secure Shell – Add Profile

  10. Secure Shell – kaibab

  11. Secure Shell – Edit Profile

  12. Secure Shell – kaibab.la.asu.edu

  13. Secure Shell – kaibab

  14. Secure Shell – Warning DANGER!

  15. Secure Shell – Password

  16. Secure Shell – Success! Type This /export/home4/msimkin/shared/setup

  17. $ echo "Hello, world."Hello, world.$ Type This:

  18. $ /usr/bin/lslib$ /usr/bin/cat > ./hiecho "Hello, world."[control-D]$ /usr/bin/lshi lib$ /usr/bin/cat < ./hiecho "Hello, world."$ /usr/bin/chmod 755 ./hi$ ./hi Type This:

  19. Variable name PWD /export/home4/msimkin/shared/msimkin Value stored in this variable Variables A variable is a place to store some info

  20. $ cat > ./heyecho "Hey, $1"echo "What’s up?"[control-D]$ cat < ./heyecho "Hey, $1" echo "What’s up?" $ chmod 755 ./hey$ ./hey bud Type This:

  21. X, Y, Z,A0.9961,14.671,12.409,20.3191,1.6958,24.077,80.1797,11.501,15.133,32.7960,14.565,6.2765,12.6589,15.011,6.1656,11.7052,12.376,7.1086,12.6402,4.9692,15.413,70.8833,10.468,7.9641,10.0428,0.9109,16.076,70.5855,10.315,11.851,20.1297,7.0747,5.1924,5 Columns Rows Example Data File

  22. $ /usr/bin/passwdpasswd: Changing password for msimkinEnter existing login password: New Password: Re-enter new Password: Change your password

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