The eLearning Center for Gatlin Education Services

This series provides a general overview of the Linux operating system. Topics include partitioning and the boot process, basic system configuration, file management, and text stream processing. The series also covers user management, group management, and file permissions. Administrative tasks covered in this series include basic job scheduling utilities, as well as system backup strategies and strategies for system documentation and user support.

Time: 3.0 hour(s)
Summary:
This course introduces users to the process of preparing a hard drive for use with the Linux operating system and explains the Linux boot process.
Objectives:
* Identify the types of partitions that exist on a Linux system.
* Explain the capabilities of the disk formatting utilities fips and fdisk.
* Create primary partitions, swap partitions, and extended partitions with fdisk.
* Describe the Linux boot process.
* Identify and describe the contents of the /etc/inittab file.
* Describe the function of LILO.
* Safely shut down a Linux system.
Topics:
* Understanding Partitions
* Understanding fdisk
* Creating a Primary Partition
* Creating a Swap Partition
* Creating an Extended Partition
* Formatting Partitions
* Understanding File System Organization
* Booting Linux
* Understanding Runlevels
* Understanding the init Daemon
* Understanding LILO
* Shutting Down Linux

File Management
Time: 3.0 hour(s)
Summary:
This course introduces users to the commands necessary to create, view, copy, move, and delete files on a Linux system.
Objectives:
* View man page documentation for Linux commands.
* Navigate through the directory structure.
* List directory contents.
* View file contents.
* Create, copy, move, and delete files and directories.
* Search file content.
* Compress and uncompress files.
Topics:
* Using Manual Pages
* Changing Directories
* Listing Directory Contents
* Identifying File Types
* Creating, Viewing, and Appending Files
* Paging Through Files
* Modifying Access and Modification Data
* Copying Files and Directories
* Moving Files and Directories
* Creating Directories
* Deleting Files and Directories
* Understanding Regular Expressions
* Searching File Content with grep
* Archiving Files with tar
* Compressing and Uncompressing Files with gzip
* Using gzip with tar

GNU and Linux Commands
Time: 3.0 hour(s)
Summary:
This course introduces users to shells and shows users how to configure user and environment variables and how to manage processes on a Linux system.
Objectives:
* Define a shell
* Explain how commands entered at the Linux command line are interpreted.
* Customize user and environment variables.
* Describe and view the history file.
* List running processes, modify process priority, and stop processes.
* List and control jobs.
Topics:
* Understanding Shells
* Typing at the Command Line
* Editing and the Command Line
* Understanding Variables
* Customizing Environment Variables
* Working with the PATH Variable
* Working with the PROMPT Variable
* Working with the HOME Variable
* Understanding the HISTORY File
* Viewing the HISTORY File with fc
* Understanding Processes
* Listing Processes with ps and top
* Editing Process Priority with nice
* Managing Jobs
* Sending Signals to Processes

File System Maintenance
Time: 4.0 hour(s)
Summary:
This course shows users how to mount and unmount file systems, verify file system integrity, perform disk maintenance tasks, manage disk quotas, create links to files, and locate files.
Objectives:
* Mount and unmount file systems.
* Identify and describe the files controlling filesystem configuration.
* Verify filesystem integrity.
* Perform disk maintenance.
* Manage disk quotas.
* Create hard and symbolic links to files.
* Locate important system files.
Topics:
* Mounting Filesystems
* Unmounting Filesystems
* Filesystem Configuration Files
* Using fsck
* Checking Disk Usage
* Disk Maintenance
* Understanding Disk Quotas
* Enabling Disk Quotas
* Setting Disk Quotas
* Verifying Disk Quotas
* Understanding Links
* Creating Hard Links
* Creating Symbolic Links
* Understanding the System File Hierarchy
* Locating Files with find
* Locating Files with locate
* Locating Commands with which

Users and Groups
Time: 3.0 hour(s)
Summary:
This course shows users how to create and manage user accounts and how to manage groups.
Objectives:
* Describe the purpose of the root account.
* Create and delete user accounts.
* Manage user passwords.
* Create, modify, and delete user groups.
Topics:
* Using root
* Understanding the /etc/passwd File
* Managing User Passwords
* Creating Users by Editing /etc/passwd
* Creating Users with useradd
* Modifying Users with usermod
* Deleting Users
* Special User Accounts
* Understanding Groups
* Creating Groups
* Identifying Default Groups
* Modifying and Deleting Groups
* Understanding Systems Groups
* Working with Shadow Passwords
* Understanding User Startup Files

Text Streams
Time: 3.0 hour(s)
Summary:
This course shows users basic Linux commands for editing, filtering, and manipulating text.
Objectives:
* Use the sed command to filter text.
* Use the sort utility.
* Cut and paste text.
* Divide files using pr and split.
* Direct output using pipes, tee, and xargs.
Topics:
* Filtering Text with sed
* Sorting Text with sort
* Selecting Characters with cut and paste
* Viewing Partial Files
* Editing Text with fmt
* Using join
* Modifying Tabs and Line Numbers
* Dividing Files with pr and split
* Editing File Contents with tr
* Counting Words
* Understanding Input and Output
* Redirecting Output
* Directing Output Using Pipes
* Using tee and xargs

Permissions
Time: 2.0 hour(s)
Summary:
This course shows users how to manage user and group permissions for files and directories.
Objectives:
* Change the owner and group associated with a file.
* Define read, write, and execute permissions as applied to files and directories.
* Change permissions using symbols.
* Change permissions using numbers.
* Change the default permissions set for newly created files and directories.
Topics:
* Changing the Owner of a File
* Changing the Group for a File
* Understanding File and Directory Access
* Understanding File Access
* Understanding Directory Access
* Changing Permissions with Symbols
* Changing Permissions with Numbers
* Special Permissions
* Setting Default Permissions

Administration and Documentation
Time: 4.0 hour(s)
Summary:
This course shows users how to schedule jobs, manage system logging, and document their own Linux systems.
Objectives:
* Schedule and manage jobs using the at command.
* Schedule jobs using the batch command.
* Schedule and manage jobs using cron.
* Configure and manage system logging.
* Document a Linux system.
* Identify key documentation resources.
Topics:
* Scheduling Jobs with at
* Managing Jobs scheduled with at
* Scheduling Jobs with batch
* Scheduling Jobs with crontab
* Managing cron Jobs
* Managing System Logging with syslogd
* Configuring syslogd
* Managing Logs
* Rotating Logs
* Archiving Logs
* Using Logs for Troubleshooting
* Documenting and Supporting Your System
* Using Documentation
* Managing Documentation Support

Backup and Restore
Time: 2.0 hour(s)
Summary:
This course introduces users to the process of planning a backup strategy and shows them how to create and restore a backup.
Objectives:
* Create a backup and restoration strategy based on business requirements.
* Differentiate between full backups, partial backups, incremental backups, and copies.
* Plan for backup storage and retention.
* Create a backup using the tar utility.
* Restore a backup that was created using the tar utility.
* Create and restore backups using cpio.
Topics:
* Identifying Backup Requirements
* Choosing a Backup Strategy
* Planning a Backup
* Choosing a Backup Type
* Backup Storage and Retention
* Restoring Files from Backup
* Creating Backups with tar
* Restoring Files with tar
* Creating and Restoring Backups with cpio