GNU readline is a commonly used library for line-editing; it is used for example by Bash, FTP, and many more (see the details of [readline][5] package under "Required By" for more examples). readline is also customizable (see man page for details).
Keyboard Shortcut Description
Ctrl+l
Clear the screen
| # Ways to execute a shell script in Ruby | |
| # Example Script - Joseph Pecoraro | |
| cmd = "echo 'hi'" # Sample string that can be used | |
| # 1. Kernel#` - commonly called backticks - `cmd` | |
| # This is like many other languages, including bash, PHP, and Perl | |
| # Synchronous (blocking) | |
| # Returns the output of the shell command | |
| # Docs: http://ruby-doc.org/core/classes/Kernel.html#M001111 |