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background
     bg command
    commands
         Bash
         Bourne shell
         C shell
         Korn shell
     job signal
     jobs
         Bash
         C shell
         Korn shell
    loops
         Bash
         Bourne shell
         Korn shell
     suspend key sequence
backslash
     Bourne shell 2nd
     escaping metacharacters
     Korn shell 2nd
    metacharacters
         Bash
         C shell
         grep
bang
     history
    reexecuting history commands
         Bash
         C shell
bannerutility
basename utility
bases and integers
     Bash
     Korn shell
Bash
     .bash_login file
     .bash_profile file
     .bashrc file
     .inputrc file
     /etc/bashrc file
     /etc/profile file
     ~/.bash-logout file
     ~/.bash_profile file
     ~/.profile file 2nd
     aliases
         creating
         deleting
         listing
     arguments
     arithmetic 2nd
     arrays 2nd
     asterisk
     backslash
     bases
     bash utility
     BASH_ENV variable
     command line 2nd
     command line history
    commands
         background
         built-in 2nd
         changing order of processing
         conditional execution
         grouping
         looping
         looping control commands
         order of processing
         re-executing
         set command
         shopt command
         substitution 2nd
     comments
     conditions 2nd
     constructs
     directory stack, manipulating
     dot command 2nd
     double quotes
     editors, selecting
     environment
     error messages 2nd
     example script
     execution, preventing
     exercises
     exit status
     exit status, testing
     filename completion
     files, testing
     floating-point arithmetic
     flow control
     functions 2nd 3rd
         defining
         exported
         introduction 2nd
         listing
         unsetting
     global variables
     hash command
     help command
    history
         accessing commands
         command line
     if command
     if constructs
     initialization files
     input
     input and here document
     integers
     invocation options
     invocation options, debugging
     job control
     let command
     local variables
     loops
         background
         internal field separator
    menus
         here document
         select command
     metacharacters 2nd
         escaping
         quoting
     multiple commands
     operators 2nd
     options 2nd 3rd
     origin 2nd
     output
     pipes
     positional parameters
     prompts
         escape sequences
         primary prompt
         secondary prompt
     question mark
     redirection 2nd 3rd
    scripts
         creating
         debugging
         executable, making
     set command
     shbang line
     shell, changing at command line
     shopt command
     signals, trapping
     single quotes
     source command 2nd
     specifying shell to use
     square brackets metacharacter
     standard input
     standard output
     startup
     stderr
     stdin
     stdout
     subshells
     syntax and constructs 2nd [See Korn shell]
     variables 2nd
         extracting values from
         null values
         PATH variable
     wildcards
BASH_ENV variable
batch utility
bc utility
bdiff utility
BEGIN patterns 2nd
beginning of line anchor
Bell Labs
bg command
bibliography
binary operators
binary permission modes
bindkey command
bmetacharacter
boot scripts 2nd
     cron boot script
     daemons
     example
     kernel and init
     run level
     single-user mode
Bourne Again shell [See also Bash]
     history of
Bourne shell 2nd [See also shells]
     .profile file 2nd
     /etc/profile file
     arguments
     arithmetic 2nd
     arrays
     asterisk
     backslash 2nd
     command line 2nd 3rd
         multiple commands
         parsing
    commands
         background
         built-in
         conditional execution
         looping
         looping control commands
         substitution 2nd
     comments
     conditions 2nd
     constructs
     dot command
     double quotes
     environment
     environment variables
     error messages 2nd
     example script
     exercises
     exit status
     exit status, testing
     expr command
    files
         name substitution
         testing 2nd
     floating-point arithmetic
     flow control
     for loop
     functions 2nd
         introduction 2nd
         traps
     hash command
     history of
     if command
     if constructs
     initialization files
     input and here document
     invocation options
     local variables
     loops
         background
         internal field separator
         nested
     menus and here document
     metacharacters
         escaping
         quoting
     null values, checking
     operators
     output
     overview
    parameters
         $* versus $@
         positional 2nd
     pipes
     programming 2nd
     prompts
         primary prompt
         secondary prompt
     question mark
     redirection 2nd 3rd
    scripts
         creating
         debugging
         executable, making
     set command
     shbang line
     signals, trapping
     single quotes 2nd 3rd
     square brackets metacharacter
     standard I/O
     standard input
     standard input and exec command
     standard output
     startup
     subshells
     substitution and filenames
     syntax and constructs
     test command, using in Korn shell 2nd
     until loop
     using 2nd
     variable expansion
    variables
         environment
         extracting values from
         local
         PATH variable
         printing
         set
         special
         unsetting
     while loop
     wildcards
Bourne, Stephen
braces [See also curly braces]
     brace expansion in Bash
     metacharacter
brackets
     bracketed character class and POSIX 2nd
     metacharacter 2nd 3rd
         Bash
         Bourne shell
         C shell
         egrep
         GNU egrep
         GNU grep 2nd
         grep
         Korn shell
         sed
branching
     Bash
     debugging
     Korn shell
break command
     Bash
     Bourne shell
     C shell
     Korn shell
BSD
     GNU egrep variants
     GNU grep variants
buffer and sed
built-in commands
     Bash 2nd 3rd
     Bourne shell
     C shell
     command type evaluation order
     defined
     help command, Bash
     Korn shell
     TC shell
built-in functions
     arithmetic 2nd
     awk 2nd 3rd
built-in variables
     awk 2nd
     local

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