marvin simkin simkin.asu
DESCRIPTION
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 - PowerPoint PPT PresentationTRANSCRIPT
Marvin Simkinhttp://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– Store the result where I can use it later– Call it “LAWNSIZE” for future reference
• Computer language:– LAWNSIZE = 5 * 10
The Power of Unix
• Automation
• Use the keyboard not the mouse
• Commands in files
The Unix File System
Secure Shell
Secure Shell – Client
Secure Shell – Add Profile
Secure Shell – kaibab
Secure Shell – Edit Profile
Secure Shell – kaibab.la.asu.edu
Secure Shell – kaibab
Secure Shell – Warning
DANGER!
Secure Shell – Password
Secure Shell – Success!
TypeThis
/export/home4/msimkin/shared/setup
$ echo "Hello, world."
Hello, world.$
Type This:
$ /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:
VariablesA variable is a place to store some info
Variable namePWD
Value stored in this variable
/export/home4/msimkin/shared/msimkin
$ 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:
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
Example Data File
Rows
Columns
$ /usr/bin/passwdpasswd: Changing password for msimkinEnter existing login password: New Password: Re-enter new Password:
Change your password