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Introduction

Terminals, Consoles, Shells and Commands

Linux Command Structure

Mastering the Terminal Keyboard Shortcuts

Mastering the Terminal The TAB Key

Getting Help, Man Pages (man, type, help, apropos)

Mastering the Terminal the Bash History

root vs. non-Privileged Users. Getting root Access (sudo, su, passwd)

Things to Do After Installing Ubuntu

Installing Ubuntu in a VM

Intro to The Linux Files System

The Filesystem Hierarchy Standard ( FHS)

Absolute vs. Relative Paths. Walking through the File System (pwd, cd, tree)

Sorting Files by Timestamp

Understanding File Timestamps atime, mtime, ctime (stat, touch, date)

The LS Command In Depth (ls)

File Types in Linux (ls -F, file)

Viewing Files - Part 1 (cat)

Viewing Files - Part 2 (less, more)

Viewing Files - Part 3 (tail, head, watch)

Copying Files and Directories (cp)

Creating Files and Directories (touch, mkdir)

Moving and Renaming Files and Directories (mv)

Removing Files and Directories (rm, shred)

Working With Pipes in Linux (, wc)

Command Redirection (, , 2 &, cut, tee)

Find and Exec

Finding Files and Directories - Part 2 (find)

The Basics of VIM Text Editor

The VIM Editor In Depth - Part 2

Comparing Files (cmp, diff, sha256)

The VIM Editor In Depth - Part 1

Working With Symlinks. Symlinks vs. Hard Links

Hard Links and the Inode Structure

Searching for String Patterns in Text Files (grep)

Compressing and Archiving Files and Directories (tar, gzip)

Finding Files and Directories - Part 1 (which, plocate)

Understanding Linux Groups (groups, id)

Understanding etcpasswd and etcshadow files

Creating Admin Users

Changing and Removing User Accounts (usermod, userdel)

Creating User Accounts (useradd)

Group Management (groupadd, groupdel, groupmod)

User Account Monitoring (whoami, who am i, who, id, w, uptime, last)