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Bash is the shell, or command language interpreter, for the GNU operating system. The name is an acronym for the ‘ Bourne-Again SHell ’, a pun on Stephen Bourne, the author of the direct ancestor of the current Unix shell sh , which appeared in the Seventh Edition Bell Labs Research version of Unix.
- What Is A Shell?
- The Bourne Shell
- The Birth of Bash
- Why Bash Is Still Important
- Will Bash Ever Be Replaced?
When you open a terminal window and type commands, something has to take what you've typed, figure out what you intended, and run the tasks you asked for. The software that does this is the shell. A shell is a command interpreter. It scans what you've typed and picks out the commands, directory names, file names, and program names so that it can fi...
The Bourne shell, written by Stephen Bourne, was an upgraded replacement for the Thompson shell. It was even started using the same command as the Thompson shell, , to maintain backward compatibility with existing scripts. Backward compatibility was important, but new features were included that provided much functionality that we still use today. ...
In 1984, when the GNU project announced its intention to make a free Unix clone---written from the ground up and with a new, permissive licensing---the team needed a shell. When a volunteer who had been working on a shell for the GNU project repeatedly failed to deliver anything at all, Brian Foxwas tasked with writing a clone of the Bourne shell. ...
Bash couldn't have lasted this long---over 30 years---as the default Linux shell if it wasn't up to the job. Because of its long service life and massive user base, Bash is mature and very stable. There are many alternative shells available, from veterans like the C shell and the KornShell to newer shells like theZ shell ( ) and the Friendly Intera...
What might seem inconceivable now can actually happen later. Unless we want to cling to the belief that we'll all use Bash until doomsday, the truth likely is that one day, Bash will be replaced as the default Linux shell---whether it's still the GNU standard shell or not. Or maybe it will be Bash, but enhanced far beyond the shell that we use toda...
Bash can execute the vast majority of Bourne shell scripts without modification, with the exception of Bourne shell scripts stumbling into fringe syntax behavior interpreted differently in Bash or attempting to run a system command matching a newer Bash builtin, etc. Bash command syntax includes ideas drawn from the Korn Shell (ksh) and the C shell (csh) such as command line editing, command ...
Nov 19, 2019 · Welcome to our ultimate guide to the Linux Command Line. This tutorial will show you some of the key Linux command line technologies and introduce you to the Bash scripting language. What is Bash? Bash (short for Bourne Again SHell) is a Unix shell, and a command language interpreter. A shell is simply a macro processor that executes commands.
Mar 7, 2024 · Linux. Bash is a commonly-used shell in many Linux distributions. Bash is a command interpreter. It is a command-line–only interface containing a handful of built-in commands; it has the ability to launch other programs and to control programs that have been launched from it (job control). We can use bash to interact with the system.
Nov 4, 2024 · Understanding Bash Command Syntax: A Beginner’s Tutorial. Bash, the Bourne Again Shell, is a powerful command language interpreter that is widely used in Linux environments. Learning the syntax of Bash commands can help you perform a wide range of tasks, from basic file manipulation to advanced scripting. In this guide, we’ll explore ...
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Bash is an sh-compatible command language interpreter that executes commands read from the standard input or from a file. Bash also incorporates useful features from the Korn and C shells ( ksh and csh ).
