Linux Basic Scripting [time sensitive] What commands will we use for the followi

Question

Linux Basic Scripting [time sensitive]

What commands will we use for the following instances:

a)

File1:

Name   LastName        GPA    ID        Balance

Fred     Johnson           3.5       1          $1250

John    Carlton            4.0       2          $3250

File2:

City                             Phone                          Email                           ID

San Francisco              415-222-333               fred at ymail.com         1

San Jose                      408-333-2121             steve at xmail.com        2

Use cut and paste commands to have the LastName, phone and email of all students in one file.

b)

Write a script to clear the screen, move the cursor to location 10, 12 and display:

                        Enter number1:

                        Enter number2:

                        Enter number3:

                        Sum =

                        Average =

Move the cursor to appropriate locations and read the three numbers. Then calculate the sum and average and display them at appropriate locations.

Explanation / Answer

echo Enter four integers with space between read a b c d sum=`expr $a + $b + $c + $d` avg=`expr $sum / 4` dec=`expr $sum % 4` dec=`expr ( $dec * 1000 ) / 4` product=`expr $a * $b * $c * $d` echo Sum=$sum echo Average=$avg.$dec echo Product=$product

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