Linux: A Comprehensive Beginner's Guide

Linux, the open-source operating system, powers everything from smartphones to supercomputers. Its flexibility, security, and powerful command-line interface make it a favorite among developers and system administrators. If you're eager to explore this versatile OS, this blog post is your perfect starting point. We'll cover everything from the basics to essential system administration tasks.

Linux Course Topics:

1. Introduction to Linux:

   • Linux and the Kernel

   • Minimum System Requirements

   • Features of Linux & History

   • Logging In and Out, Terminal Handling, The Linux Shell

2. File System Basics:

   • Common File Types and Filenames, Directories: Parent, Subdirectory, Home, Directory Naming Rules

   • Important Linux File System Directories

   • Creating and Using Files/Directories (mkdir, cd, cat), Absolute and Relative Filenames, Listing Files (ls, ls -l, pwd)

   • Moving and Copying Files/Directories (mv, cp), Removing Files/Directories (rm, rmdir)

   • Using Wildcards with Files/Directories

3. File Permissions and Ownership:

   • File and Directory Permissions (Relative and Absolute Methods)

   • Changing Group Ownership, umask Settings

4. Text Manipulation and Process Management:

   • I/O Redirection (>, >>, <)

   • Piping (|) , cut, paste, sort, tee

   • Regular Expressions and grep

   • Process Management: Process Types and Managing Processes (ps, bg, fg, nice, kill)

5. Vi Editor:

   • Basics of vi Editor

6. Shell Programming:

   • Introduction to Bash Scripting

   • Environment Variables

   • Defining and Unsetting Variables

   • Substitution (Filename/Globbing, Variable, Command, Arithmetic)

   • Quoting (Backslashes, Single Quotes, Double Quotes), Quoting Rules and Situations

   • Control Flow: if, case Statements

   • Loops: while, for, select

   • Loop Control: break, continue

7. System Administration:

   • su Command (Superuser), managing user and groups.

   • Taking Backups (tar), Managing Disk Space (df, du), Mounting and Unmounting File Systems (mount, umount)