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Index: C

compilers
- Pattern-matching Operators
- String comparisons
- case
- getopts
- optimization : More About C Compilers
- options : More About C Compilers
- as pipelines : The C Compiler as Pipeline
developing language
- History of UNIX Shells
- Filenames and Wildcards
- Basic Shell Developing
- Shell Scripts and Functions
- Functions
- Regular expression basics
- Exit Status and Return
- Return
- About C Compilers
- for
- case
- select
- while and until
- Command-line Options and Typed Variables
- getopts
- Integer Variables and Arithmetic
- Arithmetic Conditionals
- print
- print escape sequences
- read
- Code blocks
- The C Compiler as Pipeline
- Debugging Shell Programs
- The Future of the Korn Shell
shell
- Intended Audience
- History of UNIX Shells
- Features of the Korn Shell
- Getting the Korn Shell
- Filename Completion and Expansion
- Aliases
- Prompting Variables
- The Environment File
- Functions
- Shell Variables
- Command Substitution
- Advanced Examples: pushd and popd
- select
- Arithmetic Variables and Assignment
- File Descriptors
- Types of Global Customization
- System Break-in Scenario
- Privileged Mode
- pdksh
- bash
- history mechanism
- - Summary of Korn Shell Features
  - Command-line Editing
  - Enabling Command-line Editing
  - The fc Command
- list of features in Korn shell : Summary of Korn Shell Features
- which : Aliases
C++ developing language
- The C Compiler as Pipeline
- Debugging Shell Programs
case
- case
- shift
- Arrays
- Reading lines from files
- Commands
- double-semicolons : select
- redirecting I/O to : I/O Redirection and multiple commands
- syntax : case
cat
- Standard I/O
- I/O Redirection
- I/O Redirectors
- Traps and Functions
- The driver script
cd
- Changing working directories
- Quoting
- Installing the Korn Shell as the Standard Shell
- The Bourne Shell
- - (to previous directory)
- - Changing working directories
  - Advanced Examples: pushd and popd
- examples : Changing working directories
- inoperative in restricted shell : Restricted Shell
- substitution form : Changing working directories
tutorial : About C Compilers
CDPATH : Directory Search Path
summary : Summary
chmod
- Shell Scripts and Functions
- umask
chsh : Getting the Korn Shell
code blocks
- Code blocks
- Nested Subshells
- compared to nested subshells : Nested Subshells
- piping outout to : Code blocks
- POSIX shell syntax : The IEEE 1003.2 POSIX Shell Standard
- redirecting standard I/O to : Code blocks
COLUMNS
- Editing mode variables
- Code blocks
command substitution
- Enabling Command-line Editing
- Command Substitution
- The Bourne Shell
- The IEEE 1003.2 POSIX Shell Standard
- examples : Command Substitution
- I/O redirection within
- - Command Substitution
  - The IEEE 1003.2 POSIX Shell Standard
- order in command-line processing : Command-line Processing
- shown in xtrace output : Set Options
- syntax : Command Substitution
command-line options : Command-line Options
- list of : Invocation Options
command-line processing : Command-line Processing
- effect of eval on : eval
- effect of quoting on : Quoting
- example : Command-line Processing
- inside condition tests : Condition Tests
- order of steps in : Command-line Processing
- order of steps in POSIX shell : The IEEE 1003.2 POSIX Shell Standard
commands
- built-in command in next release : The Future of the Korn Shell
- list of : Built-in Commands and Keywords
- vi : Vi Control Mode Commands
comments in scripts : Syntax of String Operators
compound statements : I/O Redirection and multiple commands
- redirecting I/O to : I/O Redirection and multiple commands
compress
- Background Jobs
- Background I/O
condition tests
- Condition Tests
- Integer Variables and Arithmetic
- The Bourne Shell
- The IEEE 1003.2 POSIX Shell Standard
- pdksh
- bash
- arithmetic
- - Arithmetic Conditionals
  - Arithmetic Variables and Assignment
  - The IEEE 1003.2 POSIX Shell Standard
  - integer values as truth values
  - - Arithmetic Conditionals
    - Execution tracing
- file attribute operators : File Attribute Checking
- - -a
  - -d
  - -f
  - - File Attribute Checking
    - for
  - -G : File Attribute Checking
  - -nt
  - - File Attribute Checking
    - eval
  - -O
  - - File Attribute Checking
    - for
  - -ot : File Attribute Checking
  - -r
  - - File Attribute Checking
    - for
  - -s : File Attribute Checking
  - -w
  - - File Attribute Checking
    - for
  - -x
- function of : Condition Tests
- integer comparison operators : Integer Conditionals
- - -eq : Integer Conditionals
  - -ge : Integer Conditionals
  - -gt : Integer Conditionals
  - -le : Integer Conditionals
  - -lt : Integer Conditionals
  - -ne : Integer Conditionals
  - obsolescence in next release : The Future of the Korn Shell
- old syntax
- - Condition Tests
  - String comparisons
  - The Bourne Shell
  - pdksh
  - bash
  - Workalikes on PC Platforms
- processing of text inside : Condition Tests
- string comparison operators : String comparisons
- - != : String comparisons
  - > : String comparisons
  - < : String comparisons
  - -n
  - -z : String comparisons
  - =
- string vs. integer comparisons : Integer Conditionals
- supported in MKS Toolkit shell : Workalikes on PC Platforms
- in while and until statements : while and until
conditionals : (see if)
constants : Type and Attribute Options
control keys : Control Keys
- clashes with editing modes : Command-line Editing
- CTRL-\ : Control Keys
- CTRL-C : Control Keys
- CTRL-D
- CTRL-H : Control Keys
- CTRL-M : Control Keys
- CTRL-Q : Control Keys
- CTRL-S : Control Keys
- CTRL-U : Control Keys
- DEL
- - Control Keys
  - Basic Commands
conventions, typographical : Conventions Used in This eBook
core dumps
- Control-key Signals
- trap
- Nested Subshells
- ulimit
coroutines
- Process Handling
- Coroutines
- The Bourne Shell
- pdksh
- definition : Coroutines
- on multiple-CPU computers : Parallelization
- performance issues : Advantages and Disadvantages of Coroutines
- pipelines as example of : Coroutines
- two-way pipes : (see two-way pipes)
cp
- I/O Redirection
- Parallelization
crontab : The History File
CTRL-\
- Control Keys
- Control-key Signals
- Nested Subshells
CTRL-C
- Control Keys
- I/O Redirectors
- Suspending a Job
- Signals
- Control-key Signals
- kill
- trap
- Process ID Variables and Temporary Files
- Nested Subshells
- EXIT
CTRL-D
- Getting the Korn Shell
- Interactive Shell Use
- Control Keys
- select
- I/O Redirectors
- Traps and Functions
CTRL-H : Control Keys
CTRL-M : Control Keys
CTRL-Q : Control Keys
CTRL-S : Control Keys
CTRL-U : Control Keys
CTRL-Z
- Job Control
- Suspending a Job
- Signals
- Control-key Signals
cut
- Standard I/O
- Pipelines
- Command Substitution
- for
- Here-documents
- read
- Quoting
- Set Options
- Installing the Korn Shell as the Standard Shell
- -c (extract columns) : Command Substitution
- -d (field delimiter)
- - Command Substitution
  - Options with Arguments
- using awk instead of : Command Substitution

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