Bash Reference Manual. Node: Bash Features
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Chapter 5: Bash Features
This section describes features unique to Bash.
Invoking Bash
Command line options that you can give to Bash.
Bash Startup Files
When and how Bash executes scripts.
Is This Shell Interactive?
Determining the state of a running Bash.
Bash Builtins
Table of builtins specific to Bash.
The Set Builtin
This builtin is so overloaded it deserves its own section.
Bash Conditional Expressions
Primitives used in composing expressions for the
test
builtin.
Bash Variables
List of variables that exist in Bash.
Shell Arithmetic
Arithmetic on shell variables.
Aliases
Substituting one command for another.
Arrays
Array Variables.
The Directory Stack
History of visited directories.
Printing a Prompt
Controlling the PS1 string.
The Restricted Shell
A more controlled mode of shell execution.
Bash POSIX Mode
Making Bash behave more closely to what the POSIX standard specifies.
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