Bash

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https://en.wikipedia.org/wiki/Bash_(Unix_shell) (1989)

• Bash History
• alias
• function { }
• && and || operator
• #! (shebang (Unix))
• for and while. See also: Use loops in task (Ansible)
• source and . for includes
• set
• Autocompletion
• /lib/lsb/init-functions
• shift built-in
• exit , return and $?
• .bashrc, .bash_profile
• Bash builtin functions: complete
• Brace expansion
• Ctrl+z + bg
• PS1

Activities

1. Read What is the difference between .bash_profile and .bashrc?, https://apple.stackexchange.com/a/51038
2. Read https://j.ludost.net/blog/archives/2019/12/09/shell_wildcards_considered_dangerous/index.html

Related commands

• sed
• awk

See also

• Bash, alias, &&, Bash history, Autocompletion, set, unset, export, .bashrc and .bash profile, PS1, echo
• Shell: Bash, zsh, PowerShell (Windows)
• Programming languages: IaC, Bash, zsh, Rust, Lua, Java, Kotlin, php, C, C++, Clojure, Haskell, Go, Erlang, Scala, Python, Ruby, gcc, glibc
• stdin, stdout, stderr
• IaC: Terraform, Chef, cdist, capistrano, puppet, Ansible, CFEngine, Cloud Deployment Manager, pulumi, juju, capistrano, SaltStack, Azure Resource Manager, Google Deployment Manager, AWS CloudFormation

https://stackoverflow.com/questions/4419952/difference-between-return-and-exit-in-bash-functions

https://apple.stackexchange.com/a/51038

https://www.cyberciti.biz/faq/explain-brace-expansion-in-cp-mv-bash-shell-commands/