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Index: B

background jobs
- Background Jobs
- Shell Scripts and Functions
- Process Handling
- Process IDs and Job Numbers
- ! variable (process ID of most recent) : Process ID Variables and Temporary Files
- creating : Job Control
- lack of in MS-DOS : Workalikes on PC Platforms
- saving standard output and error of : File Descriptors
- with two-way pipes : Coroutines with Two-way Pipes
Backus-Naur Form (BNF) : pdksh
basename : Pattern-matching Operators
bash
- Getting the Korn Shell
- Related Shells
- bash
- obtaining from Internet : bash
bc : Coroutines with Two-way Pipes
bg
- Job Control
- Suspending a Job
- The Bourne Shell
biff : Mail Variables
/bin
- Command Search Path
- System Break-in Scenario
BITFTP : BITFTP
Bourne shell
- Summary of Korn Shell Features
- History of UNIX Shells
- The Korn Shell
- Features of the Korn Shell
- Getting the Korn Shell
- Command-line Editing
- Options
- Functions
- Shell Variables
- Patterns and Regular Expressions
- Command Substitution
- String comparisons
- select
- getopts
- Integer Variables and Arithmetic
- I/O Redirectors
- File Descriptors
- Coroutines with Two-way Pipes
- Debugging Shell Programs
- Installing the Korn Shell as the Standard Shell
- Related Shells
- The Bourne Shell
- The IEEE 1003.2 POSIX Shell Standard
- pdksh
- bash
Bourne, Steven : History of UNIX Shells
break : select
BSD
- History of UNIX Shells
- Control Keys
- Moving Around in the History File
- Miscellaneous Commands
- Vi Editing Mode
- Mail Variables
built-in commands
- ability to add new in next release : The Future of the Korn Shell
- online help for in next release : The Future of the Korn Shell
- order of precedence in command lookup
- - Functions
  - Command-line Processing
built-in variables
- Shell Variables
- (see also environment variables)
- # : Positional Parameters
- $ : The History File
- * : Positional Parameters
- - as default list in for statement : for
  - as default list in select statement : select
- * and # in functions : Positional parameters in functions
- ?
- - Exit Status and Return
  - ERR
  - Exercises
- @ : Positional Parameters
- CDPATH : Directory Search Path
- COLUMNS
- - Editing mode variables
  - Code blocks
- EDITOR
- - Editing mode variables
  - Environment Variables
- ERRNO, obsolescence in next release : The Future of the Korn Shell
- FCEDIT : Editing mode variables
- FPATH
- - Autoloaded functions
  - Types of Global Customization
- LINENO
- - Set Options
  - ERR
  - The Preamble
- LINES : Editing mode variables
- list of those not supported in Bourne shell : The Bourne Shell
- list of those not supported in pdksh : pdksh
- MAILCHECK : Mail Variables
- MAILPATH : Command Search Path
- naming convention : Shell Variables
- OLDPWD
- - Miscellaneous Variables
  - Advanced Examples: pushd and popd
  - Exit Status and Return
  - Command-line Processing
- OPTARG : getopts
- OPTIND : getopts
- PID : Workalikes on PC Platforms
- positional parameters : (see positional parameters)
- PS1
- - Prompting Variables
  - Command Substitution
- PS2 : Prompting Variables
- PS3
- - Prompting Variables
  - select
  - command substitution in next release : The Future of the Korn Shell
- PS4
- - Prompting Variables
  - Set Options
  - in kshdb : Debugger Functions
- RANDOM : EXIT
- REPLY
- - in read statement : read
  - in select statement
  - - select
    - Arrays
- SECONDS : Miscellaneous Variables
- VISUAL : Editing mode variables

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