.CSH File Extension

File Type 1

Photoshop Custom Shapes File

Developer Adobe Systems
Popularity
3.8  |  28 Votes
Category Misc Files
Format N/A

What is a CSH file?

Collection of custom shapes used by Photoshop and Photoshop Elements; accessed by the Custom Shape Tool when the custom shape option is selected; can be loaded or saved by clicking the right arrow in the Shapes drop-down list and selecting "Load Shapes..." or "Save Shapes..."

More Information

Custom Shapes files are saved by default in the Photoshop/Presets/Custom Shapes directory.

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Programs that open or reference CSH files

Updated February 14, 2014
File Type 2

C Shell Script

Developer Bill Joy
Popularity
3.4  |  7 Votes
Category Executable Files
Format Text

What is a CSH file?

A CSH file is a script that can be run with the Unix C shell (or a C shell variant like tcsh). It contains instructions written in a command language similar to the C/C++ programming language. Users can execute the commands a CSH file contains by calling the file with the C shell (csh).

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Screenshot of a .csh file in Microsoft Visual Studio Code
CSH file open in Microsoft Visual Studio Code

In the late 1970s, developer Bill Joy created csh. This Unix shell, which is included in many Unix distributions and also available in macOS, allows users to write and execute commands structured similarly to C statements.

Users who want to quickly execute multiple C shell commands in succession can save those commands as a C shell script. These scripts are plain text files, saved with the .csh extension, that users can create and edit in any text editor. Users can then call their CSH file with the C shell to execute the script it contains.

On rare occasions, C shell scripts may instead be saved with the .SH extension. One way to recognize a C shell script is to look for the string #!/bin/csh in the script's first line. Most C shell scripts include this string, which tells the shell the script should be executed using the C shell interpreter.

How to open a CSH file

You can open a CSH file and view or edit the script it contains in Microsoft Notepad (Windows), Apple TextEdit (Mac), Vim (Linux), or any other text editor.

To execute the script a CSH file contains, open the C shell, navigate to the directory that contains your file, and enter csh YourFileName.csh.

Programs that open CSH files

Mac
Included with OS
Included with OS
Free
Windows
Linux
Updated September 14, 2022
File Type 3

Cubase Waveform File

Developer Steinberg Media Technologies
Popularity
2.8  |  9 Votes
Category Audio Files
Format Binary

What is a CSH file?

Waveform file created by Cubase, an application used for audio production; contains information about Cubase project audio files; typically generated when saving an audio project (.CPR file); generated by the SX/SL edition of Cubase.

More Information

NOTE: CSH files do not store actual audio data.

Programs that open or reference CSH files

Mac
Windows
Updated June 17, 2010

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