Summarize these topics:

1. User Interfaces Available in Linux
2. System Programs Available in Linux
3. Summarize the Key Linux Distributions
4. Summarize the Components of the Linux System 
5. Summarize the Key Features of the Kernel Modules
   • Kernal 
   • System Libraries
   • System Utilities
   • Privileged and User Mode
   • Module Management
   • Driver Registration
   • Conflict Resolution
6. Summarize the topic of Linux Process Management
   • Process Models - fork() and exec()
   • Process Identity
   • Process Environment
   • Processes and Threads
7. Process Scheduling
   • CFS
   • Real-time Scheduling
   • Symmetric Multiprocessing
     • Interprocess Communication
     • Threads
     • Process Synchronization
     • CPU Scheduling