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Acknowledgments
Contents
Navigating Linux Systems
Amit Jain, Luke Hindman, and John Rickerd
Last Revised: August 6, 2018
©
Amit Jain, Luke Hindman, and John Rickerd
Acknowledgments
Contents
Departmental Computing Facilities
Whom to ask for help?
Beginner's Guide
Getting started
Logging in
Changing your password
Logging out of the system
Some basics
Correcting your typing
Special keys
Case sensitivity
How to find information?
Files and directories
File names
Creating files and directories
Your current directory
Changing directories
Your home directory
Special directories
Special files
Viewing the contents of a text file
Listing files and directories
Wild-cards and file name completion
Copying files or directories
Renaming a file or directory:
Removing(Deleting) files or directories
Basic useful commands
Finding the date and the time
Obtaining information about users
Finding system information
Recording a terminal session
Sleeping and sequencing
Time a command or a program
Counting the number of characters, words and lines
Sorting files
Displaying the last few lines in a file
Finding the differences between two text files
Finding the differences between two binary files
Finding patterns in files using your buddy grep
Input-Output redirection
Where do commands live?
Working on the Internet
Host-names and Internet addresses
Remote access using Secure Shell
Remote file copy using Secure Copy
How to download file(s) from onyx to your local machine
How to upload file(s) from your local machine to the onyx server
How to use SSH securely without a password
Summary
Files and File Systems
Files
File Types
Directories
Directory Hierarchies
Symbolic links and hard links
Security and Permissions
File protection
File ownership
Other Common File system Operations
Packing up and backing up your files
Archiving files with tar
Compressing files with gzip
Compressing files with zip
Compressing files with bzip2
Why all these various compression and archiving formats?
Backing up your files
Recovering lost files
Disk quota
Checking disk usage
Locating files in the system
Finding files in your home directory
Using find for useful tasks
Devices and Partitions
Introduction
Creating and Working with File Systems
df
lsblk
fdisk
mkfs
mount
Advanced User's Guide
Customizing your shell and improving productivity
Startup or run control (rc) files
Changing your shell prompt
Setting the path: how the shell finds programs
Aliases
Customizing ls using aliases
Enhancing cd using a stack
Repeating and editing previous commands
Other useful commands
Text-based mail
Changing your personal information
Changing your login shell
Spell checking
Watching a command
Filters: cool objects
Character transliteration with tr
Comparing sorted file with comm
Stream editing with sed
String processing with awk
Processes and Pipes
Input-Output redirection
Processes
Creating and managing processes
Killing processes
Playing Lego in Linux
Running commands in series
Combining commands using pipes
Shell Scripting
Introduction
Text Editors
Introduction
The Vim file editor
The GNU emacs file editor
Creating new commands
Command arguments and parameters
Program output as an argument
Shell metacharacters
Shell variables
Loops and conditional statements in shell programs
for
loop
if
statement
case
statement
while
loop
until
loop
Arithmetic in shell scripts
Interactive programs in shell scripts
Useful commands for shell scripts
The basename command
The test command
Functions
Extended shell script examples
Printing with proper tab spaces
Simple test script
Changing file extensions in one fell swoop
Replacing a word in all files in a directory
Counting files greater than a certain size
Counting number of lines of code recursively
Backing up your files periodically
Backing up your files with minimal disk space
Watching if a user logs in or logs out
Linux Desktop GUI
Introduction
Using the KDE Desktop
Cut and paste using a mouse
Working with the KDE desktop
Taking a Snapshot of your Desktop
Creating directories in the KDE file browser
Creating shortcuts on the KDE desktop
Commonly Used Applications
Using CDs and DVDs
Copying a directory to a CD or DVD
Burning CDs or DVDs
Viewing a collection of photos
Editing photos
Rotating a photo
Changing brightness of a photo
Cropping a photo
Screenshot
Running remote graphical programs
Other useful GUI programs
Viewing postscript and PDF files
Further Exploration
Bibliography
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