Major Features
The Korn shell offers compatibility with the Bourne shell, while providing a more robust programming language and command interpreter. It also contains some features of the C shell. The major features of the Korn shell are:
Improved performance. Programs written in the Korn shell can run faster than similar programs written in the Bourne or C shells.
Bourne shell compatibility. Programs written for the Bourne shell can run under the Korn shell without modification.
Command-line editing. Instead of backspacing or retyping, commands can be edited in vi, emacs, or gmacs mode.
Command history. Commands are stored in a history file, which can then be modified and re-executed or just re-executed as is. The commands are saved, up to ...
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