IT 244: Introduction to Linux/Unix
Class 6

Today's Topics

Tips and Examples


New Material

Reading Assignment

The reading assignment for this week is chapter 3 of Sobell, The Utilities.

You will find a list of all reading assignments here.

There is a link to this page on the class web page.

Homework 3

I have posted Homework 3 here.

As usual, it will be due next Sunday at 11:59 PM.

The is the first homework assignment that will require you to write a script.

Your script must meet certain requirements that I mentioned in the last class.

Let's review the requirements for homework scripts.

Tips and Examples

Copying and Pasting at the Command Line

A Space in the Wrong Place

Finding Errors in a Script


echo - Print Text to the Terminal

hostname - Print the Name of Your Host Machine

Pagers - View a File One Screen at a Time

Pathname Completion

grep - Finding Strings inside Files

tail - View the Bottom of a File

sort - Print a File in Sorted Order

New Material

uniq - Eliminate Duplicate Lines

diff - Differences between Files

The Shell Prompt

file - Show the File Type

Pipes - Stringing Programs Together

date - Get the Date and Time

which - Finding a Program File

whereis - Finding Files Used by a Program

locate - Search for Any File

find - Search for Files Using Different Criteria

who - See Users Logged On

finger - Get information on Users