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Difference between KSH and BASH

Difference between KSH and BASH

Are you curious about the difference between KSH and BASH? While both are shell scripting languages, they have some key differences. In this blog post, we’ll discuss those differences and help you decide which one is right for your needs. Stay tuned!

What is KSH?

Korn Shell (KSH) is a Unix shell that was created by David Korn at AT&T Bell Labs in the early 1980s. It was intended to be a more expressive alternative to the Bourne shell, and it borrowed some features from the C shell. KSH is now a standard component of many Unix-like operating systems, and it remains popular among system administrators and power users. KSH offers a number of features which make it especially well-suited for interactive use, such as integrated command history and built-in editing mode. It also supports powerful programming constructs, making it an excellent choice for scripting or application development. In short, KSH is a powerful and versatile shell with a rich feature set that makes it appropriate for a wide range of tasks.

What is BASH?

BASH is a short term for Bourne-Again Shell. BASH is the most common shell used in UNIX based systems. BASH was created in 1989 by Brian Fox. BASH can execute commands entered by the user, as well as system commands. BASH can also be used to create programs known as shell scripts. BASH is an interpreter that reads and executes commands from the keyboard or from a script. BASH is also a programming language that has control structures, variables, functions, and loops. BASH also has many features that are common to other programming languages. BASH is not only an interactive shell, but it can also be used as a scripting language. BASH scripts are commonly used for system administration tasks. BASH is also portable, which means it can be run on many different types of systems.

Difference between KSH and BASH

KSH and BASH are two of the most popular UNIX shells. They both have their own strengths and weaknesses, which can make them more or less suitable for different tasks. KSH is a more traditional shell, with a syntax that is closer to that of the Bourne shell.

  • It also supports all of the major features of the Bourne shell, such as variables, functions, and command line editing. However, KSH is not as widely used as BASH, and it can be difficult to find documentation and support for it.
  • BASH, on the other hand, is a newer shell that was designed to be compatible with the Bourne shell. In addition to supporting all of the features of its predecessor, it also includes a number of enhancements, such as improved command line editing, built-in support for handling signals, and better integration with the GNU Project utilities.
  • BASH is also much more widely used than KSH, making it easier to find help and resources if you need them. Ultimately, which shell you use will depend on your needs and preferences. If you are looking for a more traditional shell with full support for the Bourne shell features, then KSH is a good choice. However, if you are looking for a more modern shell with enhanced features and better integration with other GNU Project tools, then BASH is probably a better option.


In order to understand the difference between KSH and BASH, it is important to first understand their individual purposes. KSH was designed as a scripting language for system administrators, whereas BASH was designed as a command-line interpreter for interactive use. As you can see, these two languages have different target audiences. If you are looking for a scripting language that is more user-friendly and has more features, then KSH would be the better option.

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