Shell Script — POSIX shell script.
Quick facts
What is .sh
A .sh file is a Shell Script — POSIX shell script.
In the mime-db registry it maps to application/x-sh, and it is marked as compressible. When serving .sh over HTTP, set the Content-Type header as shown in Developer info below.
Related entities: it maps to application/x-sh and is used by Shell among others — and is delivered over HTTP via the Content-Type header.
How to open .sh files
Developer info
When served over HTTP, responses should set the following header:
Content-Type: application/x-sh
Common software that reads/writes .sh:
Relation chain
Related extensions
Related MIME types
Related programming languages
Common uses
How to edit .sh files
How to create .sh files
Example
#!/bin/sh echo "Hello, World!"
Frequently asked questions
Common options include Terminal, VS Code, bash. You can also open many of these files with built-in viewers or a browser.
Create a new file in any text editor or the app that owns the format and save it with the .sh extension.
application/x-sh is the media type identifier used for .sh files during network transfer (for example in the HTTP Content-Type header).
Sources & standards
Updated 2026-08-18
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