1: Introduction
2: Using the Shell
2.1 Command Line Interface
2.2 Commands
2.3 Basic Command Syntax
2.4 Scripts
2.5 Displaying System Information
2.6 Current Directory
2.7 Command Information
2.8 Command Completion
2.9 Getting Help
3: Configuring the Shell
3.1 Introduction
3.2 Shell Variables
3.3 Initialization Files
3.4 Command History
4: File Globbing
4.1 Introduction
4.2 Asterisk * Character
4.3 Question Mark ? Character
4.4 Brackets [ ] Characters
5: File Manipulation
5.1 Introduction
5.2 Listing Files
5.3 Viewing File Types
5.4 Creating and Modifying Files
5.5 Copying Files
5.6 Moving Files and Directories
5.7 Deleting Files
5.8 Creating Directories
5.9 Removing Directories
6: Finding Files
6.1 Introduction
6.2 Filesystem Hierarchy Standard
6.3 Finding Files and Commands
7: Text Utilities
7.1 Introduction
7.2 Viewing File Contents
7.3 Splitting Files
7.4 Numbering the Output of Files
7.5 Displaying the Beginning of a File
7.6 Displaying the End of a File
7.7 Combining File Output
7.8 Command Line Pipes
7.9 Extract Fields in a File
7.10 Sort File Output
7.11 Remove Duplicate Lines in a File
7.12 Display File Contents in Various Formats
7.13 Translate File Characters
7.14 Stream Editor Command
7.15 Counting Lines in a File
8: Regular Expressions
8.1 Introduction
8.2 Basic Regular Expressions
8.3 Extended Regular Expressions
8.4 Using Special Regular Expression Sequences
8.5 Escaping Special Characters With \
8.6 Using the fgrep Command
8.7 Options for the grep Command
8.8 Using grep to Search Multiple Files
9: The vi Editor
9.1 Introduction
9.2 Command Mode Movement
9.3 Command Mode Actions
9.4 Insert Mode
9.5 Ex Mode
9.6 Configuring the Standard Editor
10: Standard Text Streams and Redirection
10.1 Introduction
10.2 Standard Output
10.3 Standard Error
10.4 Standard Input
10.5 Command Pipelines
10.6 tee Command
10.7 xargs Command
11: Managing Processes
11.1 Introduction
11.2 Process Control
11.3 Monitoring the System
11.4 Multi-Session Command Line Utilities
12: Archive Commands
12.1 Introduction
12.2 The gzip and gunzip Commands
12.3 The zcat Command
12.4 The bzip2 and bunzip2 Commands
12.5 The bzcat Command
12.6 The xz and unxz Commands
12.7 The xzcat Command
12.8 The tar Command
12.9 The zip and unzip Commands
12.10 The cpio Command
12.11 The dd Command
13: File Permissions
13.1 Introduction
13.2 File Ownership
13.3 Understanding Permissions
13.4 Changing Basic File Permissions
13.5 Permission Scenarios
13.6 Changing Advanced File Permissions
13.7 Default File Permissions
14: Filesystem Links
14.1 Introduction
14.2 Soft Links
14.3 Hard Links
14.4 Soft Links vs. Hard Links
15: Hardware Configuration
15.1 Introduction
15.2 Core Hardware
15.3 Plug and Play
15.4 Hardware Resources
15.5 Viewing Hardware
15.6 Hardware Subsystems
15.7 Kernel Modules
16: The Boot Process
16.1 Introduction
16.2 Firmware Stage
16.3 Bootloader Stage
16.4 Kernel Stage
16.5 The init Stage
16.6 Kernel Messages
16.7 The /var/log/messages File
17: Bootloaders
17.1 Introduction
17.2 GRUB Legacy Bootloader
17.3 GRUB Legacy Boot Steps
17.4 GRUB Legacy Configuration
17.5 Interacting with GRUB Legacy
17.6 GRUB 2
17.7 GRUB 2 Boot Steps
17.8 GRUB 2 Configuration
18: Runlevels
18.1 Introduction
18.2 Default Runlevel
18.3 Viewing Current Runlevel
18.4 Changing Runlevels and Targets
18.5 The wall Command
18.6 Managing System Services
18.7 Runlevel Directories
18.8 The chkconfig Command
18.9 The /etc/init Directory
18.10 The systemctl Command
18.11 Boot Target
18.12 acpid
19: Designing a Scheme
19.1 Introduction
19.2 Understanding Partitioning
19.3 Why Create Partitions?
19.4 Partitioning Layout
20: Creating Partitions
20.1 Introduction
20.2 Creating Partitions During Installation
20.3 Creating Partitions After Installation
20.4 Managing GPT
20.5 GNU Parted
20.6 Logical Volume Management
20.7 Creating a Filesystem
20.8 exFAT
20.9 BTRFS
20.10 Creating Swap Space
21: Mounting Filesystems
21.1 Introduction
21.2 Viewing Mounted Filesystems
21.3 Mounting Filesystems Manually
21.4 Unmounting Filesystems Manually
21.5 Mounting Filesystems Automatically On Boot
21.6 Mounting With fstab
21.7 Systemd Mount Units
21.8 loop Option
21.9 Monitoring Filesystems
21.10 Mount a Filesystem
21.11 Activate Swap Space
22: Maintaining Integrity
22.1 Introduction
22.2 Filesystem Issues
22.3 Monitoring Disk Info
22.4 The du Command
22.5 The tune2fs Command
23: Fixing Filesystems
23.1 Introduction
23.2 The fsck Command
23.3 The e2fsck Command
23.4 The lost+found Directory
23.5 Repairing XFS Filesystems
24: Package Management
24.1 Introduction
4.2 RPM Package Management
24.3 Managing Packages With yum
24.4 Installing Packages With DNF
24.5 Debian Package Management
24.6 Verifying Files with Checksums
24.7 SUSE Package Management
25: Managing Shared Libraries
25.1 Introduction
25.2 /etc/ld.so.conf File
25.3 Manually Adding Library Files
25.4 LD_LIBRARY_PATH
25.5 Idd Command
26: Virtualization
26.1 Introduction
26.2 Virtual Machines and Containers
26.3 Virtualization Options
26.4 IaaS
26.5 VM and Container Configuration
