https://github.com/rootkit-org/operating-systems

https://github.com/rootkit-org/operating-systems

Last synced: 5 months ago
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• Host: GitHub
• URL: https://github.com/rootkit-org/operating-systems
• Owner: RootKit-Org
• License: gpl-3.0
• Created: 2022-01-02T03:40:58.000Z (about 4 years ago)
• Default Branch: main
• Last Pushed: 2022-01-09T03:40:21.000Z (about 4 years ago)
• Last Synced: 2025-01-14T18:07:27.559Z (12 months ago)
• Size: 18.6 KB
• Stars: 0
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Operating Systems

### 1. OS Basics

  * Windows

  * Unix

  * Linux

  * MacOS

  * User

  * Application

  * Kernel

  * Graphical User Interface (GUI)

  * Command-Line Interface (CLI)

  * Software

  * Hardware

  * Single-Tasking

  * Multi-Tasking

  * Single-User

  * Multi-User

  * Distributed

  * Templated

  * Embedded

  * Load-balancing

  * Failover

  * Cloud

  * Information Assurance

  * Access Control List

  * Discretionary Access Control (DAC)

  * Mandatory Access Control (MAC)

  * Role-Based Access Control (RBAC)

  * Privileged User

  * Non-Privileged User

  * Logging

  * Backups

### 2. Boot Process

  * Basic Input/Output System (BIOS)

  * Unified Extensible Firmware Interface (UEFI)

  * Master Boot Record (MBR)

  * Globally Unique Identifier (GUID) Partition Table (GPT)

  * Cold boot

  * Warm boot

  * Power On Self Test (POST)

  * Volume Boot Sector (VBS)

  * Overclocking

  * Underclocking

  * Real Mode

  * Protected Mode

  * Rootkit

  * Bootkit

### 3. Windows

  * Built-In Accounts

  * Local Accounts

  * Domain Accounts

  * Administrator

  * Guest

  * Security Accounts Manager (SAM)

  * Domain Controller (DC)

  * Active Directory (AD)

  * Security Groups

  * Workgroup member

  * Domain member

  * Windows File Directory Structure

  * Users Folder

  * Program Files Folder

  * Windows Folder

  * File/Directory Attributes and Properties

  * Discretionary Access Control Lists (DACL)

  * New Technology File System (NTFS)

  * Viewing and Setting File Permissions

  * Full Backup

  * Incremental Backup

  * Differential Backup

  * Security Log

  * Application Log

  * Setup Log

  * System Log

### 4. DOS/PowerShell

  * Command Prompt

  * PowerShell (PS)

  * PS Integrated Scripting Environment (ISE)

  * Absolute Path

  * Relative Path

  * Present Working Directory

  * Environment Variables

  * cmdlets

  * DOS Commands

    * `cls`

    * `ping`

    * `tracert`

    * `netstat`

    * `help`

    * `more`

    * `|` (pipe)

    * `cd`

    * `path`

    * `dir`

    * `attrib`

    * `date`

    * `time`

    * `ver`

    * `title`

    * `exit`

    * `mkdir`

    * `rmdir`

    * `copy`

    * `xcopy`

    * `move`

    * `ren`

    * `type`

    * `find`

    * `del`

    * `doskey`

    * `ipconfig`

    * `>`

    * `>>`

    * `tree`

    * `icacls`

    * `net accounts`

    * `net user`

    * `net localgroup`

    * `runas`

    * `tasklist`

    * `taskkill`

  * PowerShell Commands

    * `Get-Host`

    * `Get-Help`

    * `Get-Childitem`

    * `Get-Verb`

    * `Get-Alias`

    * `Set-Location`

    * `Get-Location`

    * `Copy-Item`

    * `Clear-Host`

    * `Rename-Item`

    * `Remove-Item`

### 5. UNIX

  * Kernel architecture

  * Unix Shells

  * Shell command structure

  * Manual pages (Man pages)

  * Bash commands

    * `clear`

    * `pwd`

    * `uname`

    * `date`

    * `tree`

    * `exit`

    * `ls`

    * `less`

    * `more`

    * `head`

    * `cat`

    * `cd`

    * `echo`

    * `ifconfig`

    * `ping`

    * `tracert`

    * `netstat`

  * File and Directory commands

    * `touch`

    * `mkdir`

    * `cp`

    * `mv`

    * `ln`

    * `grep`

    * `find`

    * `which`

    * `file`

  * Process Related commands

    * `ps`

    * `kill`

    * `pkill`

  * Helpful Commands

    * `strings`

    * `history`

    * `script`

    * `su`

    * `sudo`

    * `gzip`

    * `gunzip`

    * `tar`

  * Common system directories

    * /boot

    * /bin

    * /sbin

    * /usr

    * /lib

    * /dev

    * /etc

    * /home

    * /opt

    * /proc

    * /root

    * /tmp

    * /var

  * File system navigation

    * Absolute Path

    * Relative Path

  * Environment Variables

  * vi/vim

### 6. File and Directory Permissions

  * Unix permission syntax

  * `chmod`

  * `chown`

### 7. Mobile OS's

  * Android

    * Rooting

    * ART

    * Sideloading

  * iOS

    * Jailbreaking

### 8. File Systems

  * Physical layer

  * File system layer

  * Data layer

  * Metadata layer

  * Filename layer

### 9. OS Processes

  * Linux kernel design

  * Windows kernel design

  * Android kernel design

  * iOS kernel design

### 10. Process Internals

  * Process parts

  * Kernel components

    * Schedule dispatcher

    * Context switching

    * Threads

  * Process control block structure

  * Process states

  * Concurrency

    * Race Condition

    * Deadlock condition

### 11. Interrupts, Exceptions, and Trap Handling

  * Interrupts

  * Exceptions

  * Trap handling

### 12. Device Drivers

  * Loadable-kernel modules (LKM)

  * Device drivers

  * File system drivers

  * Network drivers

  * Windows

    * HAL

  * Linux

    * Block device

    * Character device

### 13. System Virtualization

  * Virtual machine monitor  (VMM)

  * Virtual machine  (VM)

  * Types of Virtual Machine Monitors