mksh ☆
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Description:
MirBSD Korn Shell
Type: Formula  |  Latest Version: 59c@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: shell korn-shell command-line scripting posix
Install: brew install mksh
About:
Mksh (MirBSD Korn Shell) is a modern, POSIX-compliant command-line interpreter derived from the Public Domain Korn Shell (pdksh). It serves as a secure and reliable login shell for UNIX-like systems, offering advanced scripting features and extensive built-in utilities. Its primary value is providing a robust, standards-compliant alternative to legacy shells like the original KornShell or Bash.
Key Features:
  • POSIX-compliant with many KornShell (ksh88) extensions
  • Advanced scripting features including associative arrays and floating-point arithmetic
  • Lightweight and secure, suitable for system initialization and embedded use
  • Extensive built-in commands for string manipulation and process control
Use Cases:
  • System initialization and service scripting
  • Interactive shell usage for developers and sysadmins
  • Writing portable shell scripts for POSIX environments
Alternatives:
  • bash – Bash is more feature-rich and ubiquitous but larger and GPL-licensed; mksh is smaller, faster, and under a permissive license.
  • zsh – Zsh offers extensive user customization and plugins for interactive use; mksh focuses on scripting performance and standards compliance.
Version History
Detected Version Rev Change Commit
Sep 16, 2025 5:50am 59c 0 VERSION_BUMP 629ab733
Sep 14, 2024 4:31am 59c 0 VERSION_BUMP f7eaaa32
Sep 29, 2023 10:53pm 59c 0 VERSION_BUMP ae4f85c8
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