What is MIME type "application/x-csh"?

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

application/x-csh labels files that are C Shell scripts. These are text files filled with commands meant for processing by a C Shell interpreter.
They are common on Unix-like systems where the C shell is available.
Files like CSH and TCSH use this MIME type to indicate they should be run as executable shell scripts.

Automation: Execute a series of commands automatically.
Scripting: Automate system tasks and batch processes.
Command Interpretation: Signal to the operating system how to process script content.
tcsh offers enhancements over the original C shell, delivering additional features.

This MIME type ensures that systems and applications know the file's content is meant for shell execution rather than plain text display.
For more details on MIME types, explore MIME Types Documentation.

Associated file extensions

.csh, .tcsh

Usage Examples

HTTP Header

When serving content with this MIME type, set the Content-Type header:


    Content-Type: application/x-csh

HTML

In HTML, you can specify the MIME type in various elements:


    <a href="file.dat" type="application/x-csh">Download file</a>

Server-side (Node.js)

Setting the Content-Type header in Node.js:


    const http = require('http');
    
    http.createServer((req, res) => {
      res.setHeader('Content-Type', 'application/x-csh');
      res.end('Content here');
    }).listen(3000);

Associated file extensions

.csh, .tcsh

FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why are multiple MIME types listed for one extension?

Different applications and historical conventions may use alternative MIME identifiers for the same kind of file. Showing them all helps ensure compatibility across systems.