Symbols & Numbers | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Index: P

p/P commands: 2.4.3. Deletion Commands

parallelizing shell scripts: 8.5.3. Parallelization

parameter substitution: 7.1.1. Here-Documents

parameters (see arguments)

parameters, positional (see positional parameters)

parent process ID (PPID): 8.4.2. Process ID Variables and Temporary Files

parentheses ( )

((...)) for arithmetic expressions: 6.2.2. Arithmetic Conditionals

enclosing arithmetic expressions: 6.2. Numeric Variables and Arithmetic

for subshells: 5.1.4.3. File attribute checking

8.6.2. Subshells

grouping condition tests: 5.1.4.3. File attribute checking

Pascal programming language: 4. Basic Shell Programming

4.2. Shell Variables

4.5.1. Syntax of String Operators

case statement and: 5.3. case

for loop and: 5.2. for

until condition and: 5.5. while and until

while loop and: 5.5. while and until

PATH variable: 3.4.2.6. Command search path

3.5.1. Environment Variables

security problems with: 3.4.2.7. PATH security considerations

pathnames

full/relative: 1.6.1. Directories

restricted shell and: 10.4.2. Restricted Shell

pattern matching: 4.5.2.4. Pattern matching with regular expressions

pattern-matching operators: 4.5.3. Pattern-Matching Operators

5.5. while and until

6.2.3. Arithmetic Variables and Assignment

syntax for: 4.5.3. Pattern-Matching Operators

pattern-substitution operators: 4.5.4. Pattern Substitution Operators

patterns: 4.5.2. Patterns and Regular Expressions

PCs: 3.4.2.5. Terminal types

Korn shell emulation for: A.9. Workalikes on PC Platforms

pdksh shell: A.6. pdksh

percent sign (%)

%% pattern-matching operator: 4.5.3. Pattern-Matching Operators

4.7. Advanced Examples: pushd and popd

5.5. while and until

5.5. while and until

6.2.3. Arithmetic Variables and Assignment

as command: 2.4.5. Character-Finding Commands

as pattern-matching operator: 4.5.3. Pattern-Matching Operators

4.5.3. Pattern-Matching Operators

4.5.3. Pattern-Matching Operators

5.2. for

5.3. case

specifying jobs: 8.2.1. Foreground and Background

8.2.1. Foreground and Background

8.3.2. kill

performance

optimizing C compliers and: 6.1.3.1. More about C compilers

processes and: 8.5.2. Advantages and Disadvantages of Coroutines

permissions: 4.1. Shell Scripts and Functions

pipe (|): 1.7.3. Pipelines

1.7.3. Pipelines

7.1. I/O Redirectors

|| for condition tests: 5.1.4.3. File attribute checking

|| for exit statuses: 5.1.2. Combinations of Exit Statuses

as bitwise operator: 6.2. Numeric Variables and Arithmetic

as case pattern separator: 5.3. case

pipe system call: 8.5. Coroutines

pipelines: 1.7.3. Pipelines

7.3.2. Substitution Order

system calls used in: 8.5. Coroutines

to code blocks: 7.2.3.3. Code blocks

two-way: 8.5.4. Coroutines with Two-Way Pipes

plus sign (+): 3.3. Options

as command: 2.4.4. Moving Around in the History File

as regular expression operator: 4.5.2.1. Regular expression basics

4.5.2.1. Regular expression basics

4.5.2.3. Korn shell versus awk/egrep regular expressions

point (place location): 2.3.1. Basic Commands

mark and: 2.3.6. Miscellaneous Commands

popd command: 4.7. Advanced Examples: pushd and popd

5.1.4.1. String comparisons

customizations and: 10.2.3. Types of Global Customization

popd function: 6.2.3. Arithmetic Variables and Assignment

additional arguments for: 6.2.3. Arithmetic Variables and Assignment

popping: 4.7. Advanced Examples: pushd and popd

Portable Operating System Interface (see POSIX)

positional parameters: 4.2.1. Positional Parameters

4.2.1. Positional Parameters

6.1. Command-Line Options

9.1.1. Set Options

9.2.2. The Preamble

in functions: 4.2.1.1. Positional parameters in functions

number of: 4.2.1. Positional Parameters

syntaxes for: 4.2.2. More on Variable Syntax

POSIX: A.3. The IEEE 1003.2 POSIX Shell Standard

character class additions and: 4.5.2.2. POSIX character class additions

PPID variable: 8.4.2. Process ID Variables and Temporary Files

pr, using awk instead of pr -n: 9.2.3.3. Breakpoints

preamble: 9.2.2. The Preamble

predefined aliases: B.3. Predefined Aliases

print command: 1.9.1. Quoting

3.4. Shell Variables

7.2.1. print

-n option for: 4.5.1. Syntax of String Operators

5.1.4.3. File attribute checking

6.5.2. String Formatting Options

-p option for: 8.5.4. Coroutines with Two-Way Pipes

8.5.5. Two-Way Pipes Versus Standard Pipes

as debugging aid: 9.1. Basic Debugging Aids

escape sequences for: 7.2.1.1. print escape sequences

for emulating eval: 7.3.4. eval

options for: 7.2.1.2. Options to print

priority: 1.8.2. Background Jobs and Priorities

privileged mode: 10.4.4. Setuid and Privileged Mode

process IDs: 8.1. Process IDs and Job Numbers

printing: 8.6.2. Subshells

variables for: 8.4.2. Process ID Variables and Temporary Files

process substitution: 7.3.2. Substitution Order

processes: 8. Process Handling

8. Process Handling

(see also jobs)

group leaders: 8.3.3.2. BSD

in pathological states: 8.3.3.2. BSD

8.5. Coroutines

performance and: 8.5.2. Advantages and Disadvantages of Coroutines

programming: 4. Basic Shell Programming

prompts: 3.4.2.3. Prompting variables

7.2.3.4. Reading user input

customizing

with current directory: 7.3.3. Quoting

with machine name: 4.6. Command Substitution

tildize function and: 7.3.3. Quoting

ps command: 8.3.3. ps

8.6.2. Subshells

vs. jobs command: 8.3.3. ps

PS1 variable: 3.4.2.3. Prompting variables

4.6. Command Substitution

customizations and: 10.2.3. Types of Global Customization

quoting and: 7.3.3. Quoting

public domain Korn shell (pdksh): A.6. pdksh

pushd command: 4.7. Advanced Examples: pushd and popd

customizations and: 10.2.3. Types of Global Customization

improving upon: 5.1.1. Exit Status and Return

5.1.4.3. File attribute checking

pushd function: 6.2.3. Arithmetic Variables and Assignment

additional arguments for: 6.2.3. Arithmetic Variables and Assignment

pushing: 4.7. Advanced Examples: pushd and popd

PWD variable: 3.4.2.3. Prompting variables

3.4.2.10. Miscellaneous variables

3.5.1. Environment Variables

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