Bash Features (Bash Reference Manual)

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6 Bash Features

This chapter 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.
Interactive Shells    What an interactive shell is.
Bash Conditional Expressions    Primitives used in composing expressions for the test builtin.
Shell Arithmetic    Arithmetic on shell variables.
Aliases    Substituting one command for another.
Arrays    Array Variables.
The Directory Stack    History of visited directories.
Controlling the Prompt    Customizing the various prompt strings.
The Restricted Shell    A more controlled mode of shell execution.
Bash POSIX Mode    Making Bash behave more closely to what the POSIX standard specifies.
Shell Compatibility Mode    How Bash supports behavior that was present in earlier versions and has changed.