[98008 GNU/Linux For Beginners]

Session #3

12 September 2003

Lecture Slides:


Reading:


Exercises:


Here's an archive with a few sample files. Extract it with

$ tar -xvzf playground.tar.gz

and use the contents of the playground folder to do:


1. Prepare a sorted list that shows how many times each IP my provider gave me, occurs in my system's log. The list should be of the form:

Number of occurences
 IP address
8
 141.154.220.12
6
 162.221.0.124
5
 66.211.106.10
1
 135.123.78.4

You must create this list (without the headers) with one command only! Chain multiple tools together (grep, cut, etc) to do it and show the command you used in your answer.


2. Find at least 3 different ways to construct a file called SCS_Student_Data that will look as follows:

Full Name
 Address
 Telephone
Rikos Kokoris
 464 N.Craig street
 412-452-2763
Mina Taleme
 500 Forbes Ave.
 412-352-4622

The list must consist of students that: