This will of course the first to take you through the basics of the command line, changing and listing directories, wildcards, file and directory permissions. The if you are Even an Experienced the Linux the user, you of might learn some interesting things from for These lectures.

Of After the this, you will of! Go through the options, and the actions That expressions are supported by the the find command. You will be able to find files that , for instance, are owned by a particular user and exceed, or are under, a specific size. Or, you will be to do specific actions on specific files at the same time with only one command (eg create multiple archives based on the file types). Also teach will of I of you about the the locate command and its' advantages and Disadvantages over the find.

Of The section called THIRD, is about the grep and regular expressions. I will help you take your first steps in learning regular expressions. They are a very powerful pattern matching tool . You will be able to use them together with grep to select particular lines inside files or on streams received at the standard input. You will see plenty of examples to understand what the metacharacters of regular expressions actually mean and how to use them to match strings.