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Path Isn’t Real on Linux by max__dev

On a fresh installation of Debian 12 (bookworm), executing echo $PATH shows the following output: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin /usr/bin contains /usr/bin/cat, and /usr/bin is in PATH, so just typing cat will run /usr/bin/cat. But what exactly is doing this lookup? By running strace cat, you can see the Linux system calls that are used: c execve (

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In the Shadows of Innovation”

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In the Shadows of Innovation”

© 2025 HackTech.info. All Rights Reserved.

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