{"id":13140,"date":"2023-06-01T16:29:11","date_gmt":"2023-06-01T20:29:11","guid":{"rendered":"http:\/\/local.brightwhiz\/?post_type=glossary&p=13140"},"modified":"2023-06-01T16:29:14","modified_gmt":"2023-06-01T20:29:14","slug":"bash","status":"publish","type":"glossary","link":"http:\/\/local.brightwhiz\/glossary\/bash\/","title":{"rendered":"Bash"},"content":{"rendered":"\n

Bash, short for “Bourne Again SHell,” is a popular and widely used Unix shell and command language interpreter. It is the default shell for many Unix-like operating systems, including Linux and macOS.<\/p>\n\n\n\n

Bash is an extended version of the original Bourne shell (sh) and provides additional features and improvements. It offers a command-line interface through which users can interact with the operating system, execute commands, and perform various tasks.<\/p>\n\n\n\n

Here are some key features and functionalities of Bash:<\/p>\n\n\n\n

    \n
  1. Command Execution: Bash allows users to enter commands, which are then executed by the operating system. Users can run system utilities, launch applications, manipulate files and directories, configure system settings, and perform other tasks.<\/li>\n\n\n\n
  2. Scripting: Bash is widely used for scripting purposes. Users can write scripts\u2014a sequence of commands\u2014in Bash scripting language to automate repetitive tasks, execute complex operations, and create custom workflows. Bash scripts can be executed directly or stored in script files for later use.<\/li>\n\n\n\n
  3. Variables and Environment: Bash supports the use of variables, allowing users to store and manipulate data. Environment variables can be set to configure the behavior of the shell and affect the execution of commands and programs.<\/li>\n\n\n\n
  4. Control Structures: Bash provides control structures like loops and conditional statements, allowing users to create complex decision-making and repetition structures in their scripts.<\/li>\n\n\n\n
  5. Input\/Output Redirection: Bash allows users to redirect input and output streams of commands. This includes redirecting output to a file, reading input from a file, and piping the output of one command as input to another.<\/li>\n\n\n\n
  6. Job Control: Bash provides job control mechanisms that allow users to manage and control running processes. Users can start background tasks, suspend and resume processes, manage process priorities, and switch between running tasks.<\/li>\n\n\n\n
  7. Command History and Auto-Completion: Bash keeps a command history, allowing users to easily recall and reuse previously executed commands. It also provides auto-completion functionality, suggesting and completing command and file names based on the entered characters by pressing the Tab key.<\/li>\n<\/ol>\n\n\n\n

    Bash is highly customizable and extensible. Users can define aliases, customize prompt appearances, define shell functions, and configure various settings to tailor their Bash environment to their needs.<\/p>\n\n\n\n

    Due to its widespread use, extensive documentation, and large user community, Bash has become a standard choice for shell scripting and command-line interactions in Unix-like systems.<\/p>\n\n\n\n

    It’s worth noting that while Bash is the default shell on many systems, other shells like Zsh (Z Shell) and Ksh (Korn Shell) also offer advanced features and are preferred by some users based on personal preferences and specific requirements.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Bash, short for “Bourne Again SHell,” is a popular and widely used Unix shell and command language interpreter. It is the default shell for many Unix-like operating systems, including Linux…<\/p>\n","protected":false},"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":[],"glossary-index":[671],"yoast_head":"\nWhat is Bash? - Brightwhiz.com<\/title>\n<meta name=\"description\" content=\"Bash, short for "Bourne Again SHell," is a popular and widely used Unix shell and command language interpreter\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/local.brightwhiz\/glossary\/bash\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Bash? - Brightwhiz.com\" \/>\n<meta property=\"og:description\" content=\"Bash, short for "Bourne Again SHell," is a popular and widely used Unix shell and command language interpreter\" \/>\n<meta property=\"og:url\" content=\"http:\/\/local.brightwhiz\/glossary\/bash\/\" \/>\n<meta property=\"og:site_name\" content=\"Brightwhiz.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/brightwhiz\/\" \/>\n<meta property=\"article:modified_time\" content=\"2023-06-01T20:29:14+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@brightwhizmag\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"http:\/\/local.brightwhiz\/glossary\/bash\/\",\"url\":\"http:\/\/local.brightwhiz\/glossary\/bash\/\",\"name\":\"What is Bash? 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