Topics
4 topicsprocess Object
How the Node.js process object exposes env, argv, pid, cwd, exit state, memory usage, versions, IPC, and native process bindings.
Signals & Exit Codes
How Node.js handles SIGTERM, SIGINT, exit codes, beforeExit, exit, uncaught exceptions, and graceful shutdown across process scopes.
os Module
How the Node.js os module reports CPU counts, available parallelism, memory, load average, network interfaces, paths, users, and platform data.
Standard I/O
How Node.js standard input, output, and error streams map to file descriptors, TTYs, pipes, console output, and backpressure.