Operating System Tutorial

About this book
        How this book is organized
        How can we improve this book?

Getting started
        SCO OpenServer operating system
        Logging in
                Your terminal type
                Changing your password
                Identifying your shell
        Logging out
        Summary

Electronic mail
        Sending mail
        Reading mail
        Responding to mail
        More mail features
                Getting help
                Saving mail
                Deleting and recovering mail
                Forwarding mail
                Using the vi editor in mail
                Mailing several people at once: aliases
        Summary

Directories and files
        Directories
                Your home directory
                Identifying your current directory
                Changing directories
        Files
                Listing the files in a directory
                Hidden files
                Listing more information about files
                Narrowing the listing: using wildcards
        Summary

Writing and editing
        Putting text into a file
                Filenames
                Looking at files
        Using the vi editor
                Entering text
                Moving around in a file
                Correcting mistakes
        Printing files
                Printing several copies
                Checking on a print job
                Canceling a print job
        Summary

Managing files
        More ways to look at files
                Reading a file one screen at a time
                Reading just the first or last lines of a file
        Making directories
        Removing directories
        Copying files
        Renaming files
        Removing files
        Summary

Commands revisited: pipes and redirection
        Putting the output of a command into a file
        Using a file as input to a command
        Joining files together
        Background processing
        Appending one file to another
        Using pipes to build your own utilities
        Summary

Protecting files and directories
        Reading a long listing
                Permissions
                Owner, group, other
        Changing the group of a file
        Changing the owner of a file
        Changing the permissions on a file
        Summary

Power tools
        Searching for a file
        Searching for text within files
        Checking who is logged in
        Finding out more information about a user
        Finding out the time and date
        Seeing a calendar
        Remembering your appointments
        Using a calculator
        Clearing the screen
        Summary

Customizing your environment
        Your environment
        Changing your prompt
        Setting your path
        Default file permissions
                Changing permissions with absolute mode
                Setting your file creation mask
        Configuring mail
        Creating command aliases
        Summary

Going from DOS to UNIX

Glossary

Index