Operating Systems Fundamentals 

Introduction to the ATA Track

Overview of ATA Track

Advice for Completing the ATA

Course Syllabus

The Linux Environment

Shell Syntax

Getting Basic Information

Getting Help

Virtualization

Installing VirtualBox Walkthrough

Installing Ubuntu Walkthrough

Using Basic Shell Commands Walkthrough

Performing Basic Linux Tasks Review

History of Computers

History of Operating Systems

Computer Components

Open Source and Copyleft

History of Linux

Linux Distributions

Getting Basic Information Reference

Getting Help Reference

Installing VirtualBox

Installing Ubuntu

Using Basic Shell Commands

Performing Basic Linux Tasks Practice Assessment

Enter Shell Commands Practice Assessment

Performing Basic Linux Tasks Graded Assessment

Understanding File Systems

Standard Directories

Absolute Paths

Relative Paths

File Browsers

Creating and Removing Directories

Listing Files and Directories

Working with Files

Using grep

whereis Command

find Command

Archiving

Working with Directories Walkthrough

Searching for Files with Find Walkthrough

Performing Backups Walkthrough

Managing the File System in Linux Review

File Naming Conventions

find Command Reference

dump Command

tar Command

gzip Command

unzip Command

Working with Directories

Searching for Files with Find

Performing Backups

The Linux File System Practice Assessment

File System Commands Practice Assessment

Locate Files Practice Assessment

Back Up and Restore Files Assessment

Managing the File System in Linux Graded Assessment

The vim Command

The cat Command

diff, vimdiff and wc

aspell, tr and Redirecting Output

LS with Wildcards

Using grep with Expressions to Find Numbers

Using grep with Expressions to Find Letters

Using grep with Expressions to Find Special Characters

cut Command

sort Command

TextUtil Commands

Creating Text Files Using Vim Walkthrough

Editing Text Files in Command Mode walkthrough

Searching Text Files Walkthrough

Applying textutil Commands to Modify the Output Walkthrough

Working with Text Files Review

The vim Command Reference

Expressions

Working with Text Streams Reference

Creating Text Files Using Vim

Editing Text Files in Command Mode

Searching Text Files

Applying textutil Commands to Modify the Output

Create and Edit Text Files Practice Assessment

Searching Text Practice Assessment

Filtering Text Practice Assessment

Working with Text Files Graded Assessment

Creating User Accounts

Modifying User Accounts

Deleting User Accounts

Passwords

Groups

User Profiles

The Skeleton Directory

Creating User and Group Accounts Walkthrough

Configuring User Profiles Walkthrough

Configuring a New User Account Walkthrough

Managing Group Accounts Walkthrough

User and Group Accounts Review

User Accounts Reference

Default User Accounts

Passwords Reference

Groups Reference

Global User Profiles

Creating User and Group Accounts

Configuring User Profiles

Configuring a New User Account

Managing Group Accounts

User Accounts Practice Assessment

Password and Groups Practice Assessment

Configure User Profiles Practice Assessment

User and Group Accounts Graded Assessment

Permissions

Effective Permissions

chmod Command

Default File and Directory Permissions

chown Command

Special Permissions

chattr and lsattr Commands

Modifying File and Directory Permissions Walkthrough

Modifying File and Directory Ownership Walkthrough

Setting User Access to Files Walkthrough

Managing Linux Permissions and Ownership Review

Permissions Reference

Special Permissions Reference

Modifying File and Directory Permissions

Modifying File and Directory Ownership

Setting User Access to Files

Modify File and Directory Permissions Practice Assessment

Set Special Permissions and Attributes Practice Assessment

Managing Linux Permissions and Ownership Graded Assessment

Starting and Stopping Linux Walkthrough

Managing Jobs and Processes Walkthrough

Managing Timing of Jobs and Processes Walkthrough

Managing Jobs and Processes Review

Services

System Booting and Shutdown

Processes

Multitasking and Jobs

The Process Table

Process States

Process Commands

Delayed and Detached Jobs

Cron

Common Daily Jobs

Crontab Files

System Time

Locale Settings

Starting and Stopping Linux

Managing Jobs and Processes

Managing Timing of Jobs and Processes

Start and Stop Linux Practice Assessment

Manage Jobs and Background Processes Practice Assessment

Delay and Detach Jobs Practice Assessment

Maintain the System Time Practice Assessment

Managing Jobs and Processes Graded Assessment

Creating Partitions Walkthrough

Mounting File Systems Walkthrough

Maintaining the Linux File System Walkthrough

Managing Partitions and the Linux File System Review

File Systems

Partitions

Commands and Utilities

Burning Discs

Mount Points

Swap Space

Local Storage Devices

Journaling File Systems

File System Maintenance Commands

Creating Partitions

Mounting File Systems

Maintaining the Linux File System

Create Partitions Practice Assessment

Manage the File System Practice Assessment

Maintain the File System Practice Assessment

Managing Partitions and the Linux File System Graded Assessment

Configuring System Log Settings Walkthrough

Configuring rsyslogd as a Central Log Server Walkthrough

Managing System Services Review

System Initialization

System Logs

Centralized Logging

Log File Analysis

Security-Enhanced Linux

Security Policies

Configuring System Log Settings

Configuring rsyslogd as a Central Log Server

Configure System Services and Manage Logs Practice Assessment

Configure Security-Enhanced Linux (SELinux) Practice Assessment

Managing System Services Graded Assessment

Capstone Introduction

Capstone Instructions