Linux Essentials -- Introduction -- What Is Linux? -- Chapter 1: Selecting an Operating System -- What Is an OS? -- Investigating User Interfaces -- Where Does Linux Fit in the OS World? -- What Is a Distribution? -- The Essentials and Beyond -- Chapter 2: Investigating Linux's Principles and Philosophy -- Linux through the Ages -- Using Open Source Software -- Understanding OS Roles -- The Essentials and Beyond -- Chapter 3: Understanding Software Licensing -- Investigating Software Licenses -- The Free Software Foundation -- The Open Source Initiative -- The Creative Commons -- Using Open Source Licenses -- The Essentials and Beyond -- Chapter 4: Using Common Linux Programs -- Using a Linux Desktop Environment -- Working with Productivity Software -- Using Server Programs -- Managing Programming Languages -- The Essentials and Beyond -- Chapter 5: Managing Hardware -- Learning About Your CPU -- Identifying Motherboard Capabilities -- Sizing Your Power Supply -- Understanding Disk Issues -- Managing Displays -- Handling USB Devices -- Managing Drivers -- The Essentials and Beyond -- Chapter 6: Getting to Know the Command Line -- Starting a Command Line -- Running Programs -- Manipulating Files -- Using Shell Features -- The Essentials and Beyond -- Chapter 7: Managing Files -- Manipulating Files -- Manipulating Directories -- The Essentials and Beyond -- Chapter 8: Getting Help -- Using man Pages -- Using info Pages -- Finding Additional Documentation -- The Essentials and Beyond -- Chapter 9: :Using Programs and Processes -- Understanding Package Management -- Understanding the Process Hierarchy -- Identifying Running Processes -- Using Log Files -- The Essentials and Beyond -- Chapter 10: Searching, Extracting, and Archiving Data -- Using Regular Expressions -- Searching for and Extracting Data -- Redirecting Input and Output -- Archiving Data.

The Essentials and Beyond -- Chapter 11: Editing Files -- Understanding the Role of Text Files -- Choosing an Editor -- Launching an Editor -- Editing Files with pico or nano -- Editing Files with Vi -- Using Configuration File Conventions -- Editing Formatted Text Files -- The Essentials and Beyond -- Chapter 12: Creating Scripts -- Beginning a Shell Script -- Using Commands -- Using Arguments -- Using Variables -- Using Conditional Expressions -- Using Loops -- Using Functions -- Setting the Script's Exit Value -- The Essentials and Beyond -- Chapter 13: Understanding Users and Groups -- Understanding Accounts -- Using Account Tools -- Working as root -- The Essentials and Beyond -- Chapter 14: Creating Users and Groups -- Creating New Accounts -- Modifying Accounts -- Deleting Accounts -- Managing Groups -- The Essentials and Beyond -- Chapter 15: Setting Ownership and Permissions -- Setting Ownership -- Setting Permissions -- The Essentials and Beyond -- Chapter 16: Navigating the Linux Filesystem -- Understanding Where Things Go -- Using Special Permission Bits and File Features -- The Essentials and Beyond -- Chapter 17: Managing Network Connections -- Understanding Network Features -- Configuring a Network Connection -- Testing Your Network Connection -- Protecting Your System from the Bad Guys -- The Essentials and Beyond -- Appendix A: Answers to Review Questions -- Chapter 1 -- Chapter 2 -- Chapter 3 -- Chapter 4 -- Chapter 5 -- Chapter 6 -- Chapter 7 -- Chapter 8 -- Chapter 9 -- Chapter 10 -- Chapter 11 -- Chapter 12 -- Chapter 13 -- Chapter 14 -- Chapter 15 -- Chapter 16 -- Chapter 17 -- Appendix B: LPI's Certification Program -- The Linux Essentials Certification -- Certification Objectives Map -- Index.