Pipes & Named Pipes (FIFO)
Learn how anonymous pipes connect related processes and named pipes (FIFOs) enable communication between unrelated processes in Unix/Linux systems.
Posts tagged with #operating-systems
Process Concept
A deep dive into process states, Process Control Block (PCB) architecture, and the mechanics of process creation in modern operating systems.
Process Scheduling
Understanding OS schedulers, scheduling algorithms, and the critical mechanism of context switching that enables multiprogramming.
Process Scheduling Algorithms
A comprehensive guide to CPU scheduling algorithms including FCFS, SJF, Round Robin, Priority scheduling, and multi-level feedback queues.
Readers-Writer Locks
Shared vs exclusive access, read-preferring vs write-preferring variants
Real-Time Operating Systems
Understand RTOS concepts, scheduling guarantees, latency bounds, and the PREEMPT_RT patch for achieving real-time Linux.
SELinux & AppArmor
Mandatory Access Control (MAC), security policies, and label-based enforcement in Linux
Semaphores & Condition Variables
Counting semaphores, producer-consumer problem, and CV signaling
Shared Memory
Learn about mmap, shmget/shmat, memory-mapped I/O, and the cache coherence challenges that come with zero-copy inter-process communication.
Signals
Learn about signal handling, signal masks, sigaction, and async notifications between processes in Unix/Linux systems.