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
• Arrays https://kb.novaordis.com/index.php/Bash_Arrays

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 [ -c ], alias, &&, Bash history, Autocompletion, set, unset, export, .bash_aliases, .bashrc and .bash profile, PS1, echo, brace expansion, Function, shopt, trap, set -e, source, PATH, complete, disown, .hushlogin, .bashrc, builtin, eval, set, $PATH, $HOME, TZ, .profile, -e, -i, Builtin (Bash), mapfile, ~, return (Bash), for, until, declare, dirname, basename, functions.sh, Bash arithmetic expansion, shift, bash --rcfile, readonly, $1, $@
• Shell: Fish shell, sh, Bash, ksh, zsh, ash, PowerShell (Windows), /usr/bin/env, .hushlogin, dash, tcsh, Shell redirection,dquote, $SHELL, Google Cloud Shell, AWS CloudShell, explainshell.com, vmware_vm_shell, Nushell, Fig.io, direnv
• Programming languages: C, glibc, musl, C++, gcc, Conan, make, Class warfare, Clang, Hello, World! (C), puts, array, Lisp
• Standard streams: /dev/stdin, /dev/stdout, /dev/stderr, /dev/null, File descriptor, set -x, 2>&1, stdbuf
• IaC: Terraform, Chef, cdist, capistrano, Harrow, puppet, Ansible, CFEngine, Cloud Deployment Manager, pulumi, juju, SaltStack, Azure Resource Manager (ARM), Google Deployment Manager, AWS CloudFormation, Pulumi, Heat, Spacelift, Oracle Cloud Resource Manager, KICS, Troposphere, CaC, IaC scanning

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/