Why Linux Uses 0, 1, 2 for Standard Input, Output, and Error – A Deep Dive

This article explains the origins and purpose of Linux's standard input (0), standard output (1), and standard error (2) file descriptors, shows how they are defined in Rust and Go, and illustrates their behavior in terminal emulators and SSH sessions with detailed diagrams.

GoLinuxRust

0 likes · 11 min read