---
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title: Fun - unix_socket_echo.fun — overview
subtitle: Documentation for unix_socket_echo.fun — overview
description: Documentation for unix_socket_echo.fun — overview
permalink: /documentation/examples/unix_socket_echo/
lang: en
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---

# unix_socket_echo.fun — overview

What it shows
- Local domain (UNIX) socket echo server/client demonstration.

How to run
- export FUN_LIB_DIR="./lib"
- ./build_debug/fun examples/unix_socket_echo.fun
- Or: fun examples/unix_socket_echo.fun

Notes
- Uses a UNIX domain socket path on the local filesystem; ensure you have permissions to create it.