---
title: "locking"
lang: "en"
author: "Mohammad Abu Mattar"
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# #Locking

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[![Bash Script Locking: Prevent Concurrent Runs with a PID File](/_astro/hero.CF-paSMK_vzFHW.webp)](/codesnippets/post/bash-script-locking-pid-file)

## [Bash Script Locking: Prevent Concurrent Runs with a PID File](/codesnippets/post/bash-script-locking-pid-file)

-   [Bash](/codesnippets/categories/bash)
-   [Automation](/codesnippets/categories/automation)
-   18 Aug 2026
-   03 Mins read

Quick Tip Wrap any script that must not run twice at once in a PID-file lock, and a second copy simply exits instead of corrupting your data. The Problem The Problem Cron does not c

[#Bash](/codesnippets/tags/bash)[#Pid file](/codesnippets/tags/pid-file)[#Locking](/codesnippets/tags/locking)+3 tags

[Bash](/codesnippets/bash)

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