Index Linux

Basic Linux

1. Basic Commands

   • System Navigation
   • File Manipulation
   • Directory Management
   • Basic Utilities

2. stderr-stdout Flow Control

   • Standard Output (stdout)
   • Standard Error (stderr)
   • Flow Management
   • Basic Redirection

3. Operators and Background Processes

   • Control Operators (&&, ||, ;)
   • Background Process Management
   • Jobs and Task Control
   • Process Priority

4. File Descriptors and Redirections

   • Descriptor Types
   • Advanced Redirection
   • Pipes
   • Descriptor Manipulation

Permissions

1. Reading and Interpreting Permissions

   • Permission Structure
   • Permission Types
   • Permission Interpretation
   • Permission Display

2. Permission Assignment

   • Chmod Command
   • Recursive Modification
   • Permission Inheritance
   • Ownership Management

3. Octal Permission Notation

   • Octal System
   • Binary Conversion
   • Permission Calculation
   • Practical Application

4. Special Permissions - Sticky Bit

   • Operation
   • Use Cases
   • Implementation
   • Sticky Bit Management

5. Attribute Control - Chattr and Lsattr

   • Special Attributes
   • Chattr Command
   • Lsattr Command
   • Practical Cases

6. Special Permissions - SUID and SGID

   • SUID: Set User ID
   • SGID: Set Group ID
   • Implementation
   • Security Considerations

Advanced Linux

1. Special Privileges - Capabilities

   • Capability Types
   • Capability Management
   • Privilege Assignment
   • Capability Verification

2. System Directory Structure

   • FHS Hierarchy
   • Main Directories
   • Directory Purposes
   • Directory Management

3. System Update and Upgrade

   • Package Managers
   • System Update
   • Version Upgrade
   • Conflict Resolution

4. System-level Searches

   • Find Command
   • Locate Command
   • Advanced Searches
   • Filters and Patterns