Linux File Descriptors: The Core Mechanism of System I/O Operations
1. Overview of File Descriptors In Linux and other Unix-like operating systems, file descriptors are a core concept that provides a unified interface for programs to interact with files, devices, and other input/output (<span>I/O</span>) resources. Simply put, a file descriptor acts like a “ticket” or “handle” for programs to access these resources. Whenever a program … Read more