Description #
Csh is a Unix shell developed to provide C-like syntax for scripting and interactive use, popular for its command history and job control features.
History #
Created by Bill Joy in the late 1970s at Berkeley, Csh introduced scripting enhancements and interactive features beyond the original Bourne shell.
Hello World Code #
echo "Hello, World!" How to Run #
Option 1: Online
Online Csh environment (limited)
Option 2: Local
Install csh on Unix-like systems and run:
csh script.csh Key Concepts #
- C-like syntax for scripting
- Command history and aliases
- Job control features
- Supports variables and control flow
- Scripting and interactive shell
- Wildcard and globbing support
- Redirection and pipes
- Used in BSD systems
- Influenced tcsh shell
- Compatible with many Unix tools
Try It Online #
Fun Facts #
- Csh was among the first shells to support command history.
- It popularized the “!” syntax for repeating commands.
- Some scripts written in Csh are still in use despite modern alternatives.
- It influenced the development of the enhanced tcsh shell.
- Csh syntax can be confusing for beginners but powerful for users.
