How to set true system-wide environment variables on macOS with a simple Launch Agent and shell script, so GUI apps and every shell see them.
7 min read
Tags
- 7 writings
- since 2024
Summer ’25
Spring ’24
Levels of processor scheduling, scheduling queue models and criteria, scheduling algorithms, and real-time scheduling.
8 min read
Notes on process scheduling triggers, evaluation metrics, and common algorithms such as FCFS, SJF, RR, MLFQ, EDF, and LLF.
4 min read
Types of IPC: shared memory, pipes, message-passing systems, mailboxes, and client-server mechanisms like sockets and RPC.
12 min read
Notes on concurrency, parallelism, CPU cores, hardware threads, processes, and threads in operating systems.
2 min read
Process synchronization in operating systems, covering critical sections, semaphores, hardware synchronization, and classic synchronization problems.
22 min read
An introduction to processes and threads
12 min read