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May 19, 2021 · Linux flourished to the point that it now underpins an astonishing amount of the modern world. The Bash shell surfed that wave of success, too. Bash incorporates and improves on the feature set of the Bourne shell, but it also took inspiration from other shells, such as the C shell (. csh. ) and the KornShell (.
Bash, short for Bourne-Again SHell, is a shell program and command language supported by the Free Software Foundation [ 2 ] and first developed for the GNU Project [ 3 ] by Brian Fox. [ 4 ] Designed as a 100% [ 5 ] free software alternative for the Bourne shell, [ 6 ][ 7 ][ 8 ] it was initially released in 1989. [ 9 ]
Aug 28, 2024 · Bash scripting is a way to automate tasks in the Unix shell. For instance, it can be used to automate system maintenance tasks, like cleaning up log files or backing up data, which helps reduce manual errors and save time. You can learn how to improve your programming process with Bash scripts in the course Learn Bash Scripting.
Because 'bash' is 100% 'sh/ksh' compatable and 'ksh' is the POSIX shell. So if you want a POSIX compliant system, and you are on Linux then you use bash. If you are on a commercial unix you generally get ksh as the default shell (sometime plain just old sh). For some reason Sun still defaults to the flakey csh c-shell.
Apr 5, 2022 · The Bash shell is a fundamental component of Linux systems, serving as the default command-line interface for many distributions. It allows users to execute commands, write scripts for automation, and manage system operations efficiently. Understanding Bash is essential for navigating and harnessing the full potential of Linux environments.
Bash is an application. When you start a terminal (such as the GNOME Terminal or Konsole on Linux or iTerm2 on macOS) running the Bash shell, you're greeted with a prompt. A prompt is a symbol, usually a dollar sign ($), indicating that the shell is waiting for your input.
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Sep 3, 2019 · Shell scripting is an essential discipline for anyone in a sysadmin type of role, and the predominant shell in which people write scripts today is Bash. Bash comes as default on nearly all Linux distributions and modern MacOS versions and is slated to be a native part of Windows Terminal soon enough. Bash, you could say, is everywhere.
