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- #BASH SCRIPT EXAMPLE FOR RUNNING JAVA MAIN CLASSES ON MAC FOR WINDOWS 10#
- #BASH SCRIPT EXAMPLE FOR RUNNING JAVA MAIN CLASSES ON MAC SOFTWARE#
#BASH SCRIPT EXAMPLE FOR RUNNING JAVA MAIN CLASSES ON MAC SOFTWARE#
Stallman and the Free Software Foundation (FSF) considered a free shell that could run existing shell scripts so strategic to a completely free system built from BSD and GNU code that this was one of the few projects they funded themselves, with Fox undertaking the work as an employee of FSF.
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The shell's name is an acronym for Bourne Again Shell, a pun on the name of the Bourne shell that it replaces and the notion of being " born again". Bash is a POSIX-compliant shell, but with a number of extensions. Other features, e.g., history, are copied from csh and ksh. The keywords, syntax, dynamically scoped variables and other basic features of the language are all copied from sh. Like most Unix shells, it supports filename globbing (wildcard matching), piping, here documents, command substitution, variables, and control structures for condition-testing and iteration. Bash can also read and execute commands from a file, called a shell script. īash is a command processor that typically runs in a text window where the user types commands that cause actions.
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Bash was also the default shell in all versions of Apple macOS prior to the 2019 release of macOS Catalina, which changed the default shell to zsh, although Bash currently remains available as an alternative shell. It is also the default user shell in Solaris 11.
#BASH SCRIPT EXAMPLE FOR RUNNING JAVA MAIN CLASSES ON MAC FOR WINDOWS 10#
A version is also available for Windows 10 via the Windows Subsystem for Linux. First released in 1989, it has been used as the default login shell for most Linux distributions.
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The following script uses the read command which takes the input from the keyboard and assigns it as the value of the variable PERSON and finally prints it on STDOUT. No matter how complicated a script gets, it is still just a list of commands executed sequentially. The shell is, after all, a real programming language, complete with variables, control structures, and so forth. Of course, most scripts are more complex than the above one. Shell scripts have several required constructs that tell the shell environment what to do and when to do it. A shell script is a computer program designed to be run by the Unix/Linux shell which could be one of the following:Ī shell is a command-line interpreter and typical operations performed by shell scripts include file manipulation, program execution, and printing text.
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