Cover -- Title Page -- Copyight -- Contents -- Part I: The Linux Command Line -- Chapter 1: Starting with Linux Shells -- What Is Linux? -- Looking into the Linux kernel -- System memory management -- Software program management -- Hardware management -- Filesystem management -- The GNU utilities -- The core GNU utilities -- The shell -- The Linux desktop environment -- The X Window system -- The KDE desktop -- The GNOME desktop -- The Unity desktop -- Other desktops -- Linux Distributions -- Core Linux distributions -- Specialized Linux distributions -- The Linux LiveCD -- Summary -- Chapter 2: Getting to the Shell -- Reaching the Command Line -- Console terminals -- Graphical terminals -- Accessing CLI via a Linux Console Terminal -- Accessing CLI via Graphical Terminal Emulation -- Using the GNOME Terminal Emulator -- Accessing the GNOME terminal -- The menu bar -- Using the Konsole Terminal Emulator -- Accessing the Konsole terminal -- The menu bar -- Using the xterm Terminal Emulator -- Accessing xterm -- Command line parameters -- Summary -- Chapter 3: Basic bash Shell Commands -- Starting the Shell -- Using the Shell Prompt -- Interacting with the bash Manual -- Navigating the Filesystem -- Looking at the Linux filesystem -- Traversing directories -- Using absolute directory references -- Using relative directory references -- Listing Files and Directories -- Displaying a basic listing -- Displaying a long listing -- Filtering listing output -- Handling Files -- Creating files -- Copying files -- Using tab auto-complete -- Linking files -- Renaming files -- Deleting files -- Managing Directories -- Creating directories -- Deleting directories -- Viewing File Contents -- Viewing the file type -- Viewing the whole file -- Using the cat command -- Using the more command -- Using the less command.

Viewing parts of a file -- Using the tail command -- Using the head command -- Summary -- Chapter 4: More bash Shell Commands -- Monitoring Programs -- Peeking at the processes -- Unix-style parameters -- BSD-style parameters -- The GNU long parameters -- Real-time process monitoring -- Stopping processes -- The kill command -- The killall command -- Monitoring Disk Space -- Mounting media -- The mount command -- The unmount command -- Using the df command -- Using the du command -- Working with Data Files -- Sorting data -- Searching for data -- Compressing data -- Archiving data -- Summary -- Chapter 5: Understanding the Shell -- Exploring Shell Types -- Exploring Parent and Child Shell Relationships -- Looking at process lists -- Creatively using subshells -- Investigating background mode -- Putting process lists into the background -- Looking at co-processing -- Understanding Shell Built-In Commands -- Looking at external commands -- Looking at built-in commands -- Using the history command -- Using command aliases -- Summary -- Chapter 6: Using Linux Environment Variables -- Exploring Environment Variables -- Looking at global environment variables -- Looking at local environment variables -- Setting User-Defined Variables -- Setting local user-defined variables -- Setting global environment variables -- Removing Environment Variables -- Uncovering Default Shell Environment Variables -- Setting the PATH Environment Variable -- Locating System Environment Variables -- Understanding the login shell process -- Viewing the /etc/profile file -- Viewing the HOME startup files -- Understanding the interactive shell process -- Understanding the non-interactive shell process -- Making environment variables persistent -- Learning about Variable Arrays -- Summary.

Chapter 7: Understanding Linux File Permissions -- Linux Security -- The /etc/passwd file -- The /etc/shadow file -- Adding a new user -- Removing a user -- Modifying a user -- usermod -- passwd and chpasswd -- chsh, chfn, and chage -- Using Linux Groups -- The /etc/group file -- Creating new groups -- Modifying groups -- Decoding File Permissions -- Using file permission symbols -- Default file permissions -- Changing Security Settings -- Changing permissions -- Changing ownership -- Sharing Files -- Summary -- Chapter 8: Managing Filesystems -- Exploring Linux Filesystems -- Understanding the basic Linux filesystems -- Looking at the ext filesystem -- Looking at the ext2 filesystem -- Understanding journaling filesystems -- Looking at the ext3 filesystem -- Looking at the ext4 filesystem -- Looking at the Reiser filesystem -- Looking at the journaled filesystem -- Looking at the XFS filesystem -- Understanding the copy-on-write filesystems -- Looking at the ZFS filesystem -- Looking at the Btrfs filesystem -- Working with Filesystems -- Creating partitions -- Creating a filesystem -- Checking and repairing a filesystem -- Managing Logical Volumes -- Exploring logical volume management layout -- Using the LVM in Linux -- Taking a snapshot -- Striping -- Mirroring -- Using the Linux LVM -- Defining physical volumes -- Creating volume groups -- Creating logical volumes -- Creating the filesystem -- Modifying the LVM -- Summary -- Chapter 9: Installing Software -- Package Management Primer -- The Debian-Based Systems -- Managing packages with aptitude -- Installing software packages with aptitude -- Updating software with aptitude -- Uninstalling software with aptitude -- The aptitude repositories -- The Red Hat-Based Systems -- Listing installed packages -- Installing software with yum -- Updating software with yum.

Uninstalling software with yum -- Dealing with broken dependencies -- Yum repositories -- Installing from Source Code -- Summary -- Chapter 10: Working with Editors -- Visiting the vim Editor -- Checking your vim package -- Exploring vim basics -- Editing data -- Copying and pasting -- Searching and substituting -- Navigating the nano Editor -- Exploring the emacs Editor -- Checking your emacs package -- Using emacs on the console -- Exploring the basics of emacs -- Editing data -- Copying and pasting -- Searching and replacing -- Using buffers in emacs -- Using windows in console mode emacs -- Using emacs in a GUI -- Exploring the KDE Family of Editors -- Looking at the KWrite editor -- Looking at the Kate editor -- Exploring the GNOME Editor -- Starting gedit -- Understanding basic gedit features -- Setting preferences -- Setting view preferences -- Setting editor preferences -- Setting font & color preferences -- Managing plug-ins -- Summary -- Part II: Shell Scripting Basics -- Chapter 11: Basic Script Building -- Using Multiple Commands -- Creating a Script File -- Displaying Messages -- Using Variables -- Environment variables -- User variables -- Command substitution -- Redirecting Input and Output -- Output redirection -- Input redirection -- Pipes -- Performing Math -- The expr command -- Using brackets -- A floating-point solution -- The basics of bc -- Using bc in scripts -- Exiting the Script -- Checking the exit status -- The exit command -- Summary -- Chapter 12: Using Structured Commands -- Working with the if-then Statement -- Exploring the if-then-else Statement -- Nesting ifs -- Trying the test Command -- Using numeric comparisons -- Using string comparisons -- Looking at string equality -- Looking at string order -- Looking at string size -- Using file comparisons -- Checking directories.

Checking whether an object exists -- Checking for a file -- Checking for read access -- Checking for empty files -- Checking whether you can write to a file -- Checking whether you can run a file -- Checking ownership -- Checking default group membership -- Checking file date -- Considering Compound Testing -- Working with Advanced if-then Features -- Using double parentheses -- Using double brackets -- Considering the case Command -- Summary -- Chapter 13: More Structured Commands -- The for Command -- Reading values in a list -- Reading complex values in a list -- Reading a list from a variable -- Reading values from a command -- Changing the field separator -- Reading a directory using wildcards -- The C-Style for Command -- The C language for command -- Using multiple variables -- The while Command -- Basic while format -- Using multiple test commands -- The until Command -- Nesting Loops -- Looping on File Data -- Controlling the Loop -- The break command -- Breaking out of a single loop -- Breaking out of an inner loop -- Breaking out of an outer loop -- The continue command -- Processing the Output of a Loop -- Practical Examples -- Finding executable files -- Creating multiple user accounts -- Summary -- Chapter 14: Handling User Input -- Passing Parameters -- Reading parameters -- Reading the script name -- Testing parameters -- Using Special Parameter Variables -- Counting parameters -- Grabbing all the data -- Being Shifty -- Working with Options -- Finding your options -- Processing simple options -- Separating options from parameters -- Processing options with values -- Using the getopt command -- Looking at the command format -- Using getopt in your scripts -- Advancing to getopts -- Standardizing Options -- Getting User Input -- Reading basics -- Timing out -- Reading with no display -- Reading from a file -- Summary.

Chapter 15: Presenting Data.