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pos420 linux

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Linux ? Script Worksheet;To;From;Date;Before beginning the Linux ? Script Worksheet, update the PATH variable to add your folder from last week. You will find how to do this on p. 134 of Linux ? Command Line and Shell Scripting Bible.;Linux ? Script 1;Requirements;In the same folder as last week, c reate a new file titled week3prog1[name].scr.;Change the permissions on this new file to add the execute bit for user, group, and owner.;Edit your new file using Gedit or VI and change it so it performs the following actions;? Display the date.;? Display the words Hello World.;? Display information about users that are currently logged in.;Note. Remember to include #!/bin/bash as the first line of your script.;Save the file and type your file name to execute.;Source Programs;#!/bin/bash;date;echo ?Hello World?;who;Output Results;root tty1 2014-10-16 22:34 (:0);Linux ? Script 2;Requirements;In the same folder as last week, c reate a new file called week3prog2[name].scr.;Change the permissions on this new file to add the execute bit for user, group, and owner.;Edit your new file using Gedit or VI and change it so it performs the following actions;? Using a line after #!/bin/bash, take the output of the ps ?e command and pipe it to the sort command.;? After it has been piped to the sort command, redirect that output to a file called psfile.;Note. Remember to include #!/bin/bash as the first line of your script.;Source Programs;#!/bin/bash;ps -e > psfile;Output Results;Linux ? Script 3;Requirements;In the same folder as last week, c reate a new file called week3prog3[name].scr.;Change the permissions on this new file to add the execute bit for user, group, and owner.;Create two files.;? File1 has one line with the value of 5.;? File2 has one line with the value of 100.;Edit your new file using Gedit or VI and change it so it performs the following actions;? Read the values from the two files above (file1 and file2).;? Divide the value from file2 by the value in file1.;? Output the result of this calculation to a new file called file3.;Note. Remember to include #!/bin/bash as the first line of your script.;Source Programs;#!/bin/bash;file1=`cat file1`;file2=`cat file2`;expr $file1 / $file2 > file3;Output Results

 

Paper#65053 | Written in 18-Jul-2015

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