Linux Redirection Magic: Why command > /dev/null 2>&1 Works and command 2>&1 /dev/null Doesn’t
“Ever run a command in Linux and been swamped by an ocean of text flooding your terminal? Yeah, we've all been there.” But what if you don't want all that chatter? Linux has your back—enter the magic of redirections like /dev/null 2>&1 . But hold up, have you ever found yourself typing something like command 2>&1 /dev/null and wondered why your shell suddenly threw a tantrum? Well, today we're diving deep (but keeping it super simple!) into why one little twist in syntax matters so much. Let's clear up this confusion once and for all—trust me, your terminal will thank you. First Things First: Understanding the Basics In Linux or Unix-based systems, every command you run communicates through standard streams: Standard Input (stdin): Where your command takes input from (usually your keyboard). Standard Output (stdout): Where the command prints its normal output. Standard Error (stderr): Where the command sends error messages. Linux allows y...