y86 ALU Operations and Condition Codes

What's behind a file descriptor in Linux? Also, i/o redirection with dup2.

File Descriptor Management

"Everything is a file" in UNIX

xv6 Kernel-35: File Descriptors and Open Files

#6 - Understanding File Descriptor in Bash

Basics of UNIX Sockets - Screencast by Mischa Spiegelmock

Sockets and Pipes Look Like Files (Unix/fdopen)

Linux Files How to use open(), write(), read(), and lseek() system calls.

Interacting with files in Linux

Christian Heimes - File descriptors, Unix sockets and other POSIX wizardry - PyCon 2016

C Programming: Makefiles

understanding mmap, the workhorse behind keeping memory access efficient in linux

20. Linux Terminal File Descriptors And Redirections (/lsof | /find | /ps)

OS5 - File Descriptors, File Descriptor Table

The NGINX Crash Course

The Linux socket API explained

Reading and Writing Files in C, two ways (fopen vs. open)

File Descriptors Explained

Software Networking and Interfaces on Linux: Part 1