\chapentry{Introduction}{1}{1}
\secentry{What is Bash?}{1}{1}{1}
\secentry{What is a shell?}{1}{2}{1}
\chapentry{Definitions}{2}{3}
\chapentry{Basic Shell Features}{3}{5}
\secentry{Shell Syntax}{3}{1}{5}
\subsecentry{Shell Operation}{3}{1}{1}{5}
\subsecentry{Quoting}{3}{1}{2}{5}
\subsubsecentry{Escape Character}{3}{1}{2}{1}{6}
\subsubsecentry{Single Quotes}{3}{1}{2}{2}{6}
\subsubsecentry{Double Quotes}{3}{1}{2}{3}{6}
\subsubsecentry{ANSI-C Quoting}{3}{1}{2}{4}{6}
\subsubsecentry{Locale-Specific Translation}{3}{1}{2}{5}{7}
\subsecentry{Comments}{3}{1}{3}{7}
\secentry{Shell Commands}{3}{2}{7}
\subsecentry{Simple Commands}{3}{2}{1}{8}
\subsecentry{Pipelines}{3}{2}{2}{8}
\subsecentry{Lists of Commands}{3}{2}{3}{9}
\subsecentry{Compound Commands}{3}{2}{4}{9}
\subsubsecentry{Looping Constructs}{3}{2}{4}{1}{9}
\subsubsecentry{Conditional Constructs}{3}{2}{4}{2}{10}
\subsubsecentry{Grouping Commands}{3}{2}{4}{3}{13}
\subsecentry{Coprocesses}{3}{2}{5}{14}
\secentry{Shell Functions}{3}{3}{14}
\secentry{Shell Parameters}{3}{4}{16}
\subsecentry{Positional Parameters}{3}{4}{1}{16}
\subsecentry{Special Parameters}{3}{4}{2}{16}
\secentry{Shell Expansions}{3}{5}{17}
\subsecentry{Brace Expansion}{3}{5}{1}{18}
\subsecentry{Tilde Expansion}{3}{5}{2}{19}
\subsecentry{Shell Parameter Expansion}{3}{5}{3}{20}
\subsecentry{Command Substitution}{3}{5}{4}{22}
\subsecentry{Arithmetic Expansion}{3}{5}{5}{23}
\subsecentry{Process Substitution}{3}{5}{6}{23}
\subsecentry{Word Splitting}{3}{5}{7}{24}
\subsecentry{Filename Expansion}{3}{5}{8}{24}
\subsubsecentry{Pattern Matching}{3}{5}{8}{1}{25}
\subsecentry{Quote Removal}{3}{5}{9}{26}
\secentry{Redirections}{3}{6}{26}
\subsecentry{Redirecting Input}{3}{6}{1}{27}
\subsecentry{Redirecting Output}{3}{6}{2}{27}
\subsecentry{Appending Redirected Output}{3}{6}{3}{27}
\subsecentry{Redirecting Standard Output and Standard Error}{3}{6}{4}{28}
\subsecentry{Appending Standard Output and Standard Error}{3}{6}{5}{28}
\subsecentry{Here Documents}{3}{6}{6}{28}
\subsecentry{Here Strings}{3}{6}{7}{29}
\subsecentry{Duplicating File Descriptors}{3}{6}{8}{29}
\subsecentry{Moving File Descriptors}{3}{6}{9}{29}
\subsecentry{Opening File Descriptors for Reading and Writing}{3}{6}{10}{29}
\secentry{Executing Commands}{3}{7}{30}
\subsecentry{Simple Command Expansion}{3}{7}{1}{30}
\subsecentry{Command Search and Execution}{3}{7}{2}{30}
\subsecentry{Command Execution Environment}{3}{7}{3}{31}
\subsecentry{Environment}{3}{7}{4}{32}
\subsecentry{Exit Status}{3}{7}{5}{32}
\subsecentry{Signals}{3}{7}{6}{33}
\secentry{Shell Scripts}{3}{8}{34}
\chapentry{Shell Builtin Commands}{4}{35}
\secentry{Bourne Shell Builtins}{4}{1}{35}
\secentry{Bash Builtin Commands}{4}{2}{41}
\secentry{Modifying Shell Behavior}{4}{3}{50}
\subsecentry{The Set Builtin}{4}{3}{1}{50}
\subsecentry{The Shopt Builtin}{4}{3}{2}{54}
\secentry{Special Builtins}{4}{4}{58}
\chapentry{Shell Variables}{5}{59}
\secentry{Bourne Shell Variables}{5}{1}{59}
\secentry{Bash Variables}{5}{2}{59}
\chapentry{Bash Features}{6}{69}
\secentry{Invoking Bash}{6}{1}{69}
\secentry{Bash Startup Files}{6}{2}{71}
\secentry{Interactive Shells}{6}{3}{73}
\subsecentry{What is an Interactive Shell?}{6}{3}{1}{73}
\subsecentry{Is this Shell Interactive?}{6}{3}{2}{73}
\subsecentry{Interactive Shell Behavior}{6}{3}{3}{73}
\secentry{Bash Conditional Expressions}{6}{4}{74}
\secentry{Shell Arithmetic}{6}{5}{76}
\secentry{Aliases}{6}{6}{77}
\secentry{Arrays}{6}{7}{78}
\secentry{The Directory Stack}{6}{8}{79}
\subsecentry{Directory Stack Builtins}{6}{8}{1}{80}
\secentry{Controlling the Prompt}{6}{9}{81}
\secentry{The Restricted Shell}{6}{10}{82}
\secentry{Bash POSIX Mode}{6}{11}{83}
\chapentry{Job Control}{7}{87}
\secentry{Job Control Basics}{7}{1}{87}
\secentry{Job Control Builtins}{7}{2}{88}
\secentry{Job Control Variables}{7}{3}{90}
\chapentry{Command Line Editing}{8}{91}
\secentry{Introduction to Line Editing}{8}{1}{91}
\secentry{Readline Interaction}{8}{2}{91}
\subsecentry{Readline Bare Essentials}{8}{2}{1}{91}
\subsecentry{Readline Movement Commands}{8}{2}{2}{92}
\subsecentry{Readline Killing Commands}{8}{2}{3}{92}
\subsecentry{Readline Arguments}{8}{2}{4}{93}
\subsecentry{Searching for Commands in the History}{8}{2}{5}{93}
\secentry{Readline Init File}{8}{3}{94}
\subsecentry{Readline Init File Syntax}{8}{3}{1}{94}
\subsecentry{Conditional Init Constructs}{8}{3}{2}{100}
\subsecentry{Sample Init File}{8}{3}{3}{101}
\secentry{Bindable Readline Commands}{8}{4}{104}
\subsecentry{Commands For Moving}{8}{4}{1}{104}
\subsecentry{Commands For Manipulating The History}{8}{4}{2}{104}
\subsecentry{Commands For Changing Text}{8}{4}{3}{106}
\subsecentry{Killing And Yanking}{8}{4}{4}{107}
\subsecentry{Specifying Numeric Arguments}{8}{4}{5}{108}
\subsecentry{Letting Readline Type For You}{8}{4}{6}{108}
\subsecentry{Keyboard Macros}{8}{4}{7}{109}
\subsecentry{Some Miscellaneous Commands}{8}{4}{8}{110}
\secentry{Readline vi Mode}{8}{5}{112}
\secentry{Programmable Completion}{8}{6}{112}
\secentry{Programmable Completion Builtins}{8}{7}{114}
\chapentry{Using History Interactively}{9}{119}
\secentry{Bash History Facilities}{9}{1}{119}
\secentry{Bash History Builtins}{9}{2}{119}
\secentry{History Expansion}{9}{3}{121}
\subsecentry{Event Designators}{9}{3}{1}{121}
\subsecentry{Word Designators}{9}{3}{2}{122}
\subsecentry{Modifiers}{9}{3}{3}{123}
\chapentry{Installing Bash}{10}{125}
\secentry{Basic Installation}{10}{1}{125}
\secentry{Compilers and Options}{10}{2}{125}
\secentry{Compiling For Multiple Architectures}{10}{3}{126}
\secentry{Installation Names}{10}{4}{126}
\secentry{Specifying the System Type}{10}{5}{126}
\secentry{Sharing Defaults}{10}{6}{127}
\secentry{Operation Controls}{10}{7}{127}
\secentry{Optional Features}{10}{8}{127}
\appendixentry{Reporting Bugs}{A}{133}
\appendixentry{Major Differences From The Bourne Shell}{B}{135}
\secentry{Implementation Differences From The SVR4.2 Shell}{B}{1}{139}
\appendixentry{GNU Free Documentation License}{C}{141}
\appendixentry{Indexes}{D}{149}
\secentry{Index of Shell Builtin Commands}{D}{1}{149}
\secentry{Index of Shell Reserved Words}{D}{2}{150}
\secentry{Parameter and Variable Index}{D}{3}{150}
\secentry{Function Index}{D}{4}{152}
\secentry{Concept Index}{D}{5}{154}