Index

Index
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Index

A

aliases: the section called “What are aliases?”
ANSI-C quoting: the section called “ANSI-C quoting”
arguments: the section called “Checking command line arguments”
arithmetic expansion: the section called “Process substitution”
arithmetic operators: the section called “Process substitution”
array: the section called “Creating arrays”
awk: the section called “Getting started with gawk”
awkprogram: the section called “Gawk commands”

B

bash: the section called “Advantages of the Bourne Again SHell”
.bash_login: the section called “~/.bash_login”
.bash_logout: the section called “~/.bash_logout”
.bash_profile: the section called “~/.bash_profile”
.bashrc: the section called “~/.bashrc”
batch editor: the section called “What is sed?”
break: the section called “The break built-in”
boolean operators: the section called “Boolean operations”
Bourne shell: the section called “Shell types”
brace expansion: the section called “Tilde expansion”
built-in commands: the section called “Shell built-in commands”

C

case statements: the section called “Using the exit statement and if”
character classes: the section called “Character classes”, the section called “Character classes”
child process: the section called “General”
combined expressions: the section called “Expressions used with if”
command substitution: the section called “Arithmetic expansion”
comments: the section called “Adding comments”
conditionals: the section called “Introduction to if”
configuration files: the section called “Shell initialization files”
constants: the section called “Constants”
continue: the section called “The continue built-in”
control signals: the section called “Sending signals using the shell”
creating variables: the section called “Creating variables”
csh: The C shell, the section called “Shell types”

D

debugging scripts: the section called “Debugging Bash scripts”
declare: the section called “Using the declare built-in”, the section called “Creating arrays”
double quotes: the section called “Double quotes”

E

echo: the section called “An example Bash script: mysystem.sh”, the section called “script1.sh”, the section called “Debugging on part(s) of the script”, the section called “Using the echo built-in command”
editors: the section called “Writing and naming”
else: the section called “if/then/else constructs”
emacs: the section called “Writing and naming”
env: the section called “Global variables”
esac: the section called “Using the exit statement and if”
escape characters: the section called “Escape characters”
escape sequences: the section called “Using the echo built-in command”
/etc/bashrc: the section called “/etc/bashrc”
/etc/passwd: the section called “Shell types”
/etc/profile: the section called “System-wide configuration files”
/etc/shells: the section called “Shell types”
exec: the section called “General”, the section called “Read and exec”
execute permissions: the section called “Executing the script”
execution: the section called “Executing the script”
exit: the section called “Using the exit statement and if”
exit status: the section called “Testing exit status”
expansion: the section called “Shell expansions”, the section called “Shell expansion”
export: the section called “Exporting variables”
extended regular expressions: the section called “Basic versus extended regular expressions”

F

file descriptors: the section called “Redirection and file descriptors”, the section called “Using /dev/fd”
file name expansion: the section called “File name expansion”
find and replace: the section called “Find and replace with sed”
for: the section called “The for loop”
fork: the section called “General”
functions: the section called “What are functions?”

G

gawk: the section called “What is gawk?”
gawk commands: the section called “Gawk commands”
gawk fields: the section called “Printing selected fields”
gawk formatting: the section called “Formatting fields”
gawk scripts: the section called “Gawk scripts”
gawk variables: the section called “Gawk variables”
gedit: the section called “Writing and naming”
global variables: the section called “Global variables”
globbing: the section called “Debugging on part(s) of the script”
grep: the section called “What is grep?”

H

here document: the section called “Here documents”

J

K

kill: the section called “Usage of signals with kill”
killall: the section called “Usage of signals with kill”
ksh: Korn shell, the section called “Shell types”

L

length of a variable: the section called “Length of a variable”
line anchors: the section called “Line and word anchors”
locale: the section called “Locales”
locate: the section called “Writing and naming”
logic flow: the section called “A word on order and logic”
login shell: the section called “Invoked as an interactive login shell, or with `--login'”

M

menu: the section called “Making menus with the select built-in”
metacharacters: the section called “Regular expression metacharacters”

N

nested if statements: the section called “Nested if statements”
noglob: the section called “Debugging on part(s) of the script”
non-interactive editing: the section called “Non-interactive editing”
non-interactive shell: the section called “Invoked non-interactively”
non-login shell: the section called “Invoked as an interactive non-login shell”
numeric comparisons: the section called “Numeric comparisons”

O

options: the section called “Displaying options”
output field separator: the section called “The output field separator”
output record separator: the section called “The output record separator”

P

parameter expansion: the section called “Command substitution”
PATH: the section called “script1.sh”
pattern matching: the section called “Pattern matching using Bash features”
positionalparams: the section called “Special parameters”, the section called “Positional parameters in functions”
POSIX: the section called “Bash is the GNU shell”
POSIX mode: the section called “POSIX mode”
primary expressions: the section called “Expressions used with if”
printenv: the section called “Global variables”
printf: the section called “An example Bash script: mysystem.sh”, the section called “The printf program”
process substitution: the section called “Word splitting”
.profile: the section called “~/.profile”
prompt: the section called “Changing shell configuration files”

Q

quoting characters: the section called “Quoting characters”

R

redirection: the section called “Executing commands”, the section called “Changing options”, the section called “Redirection and file descriptors”, the section called “I/O redirection and loops”
rbash: the section called “The restricted shell”
read: the section called “Using the read built-in command”
readonly: the section called “Constants”
regular expression operators: the section called “Regular expression metacharacters”, the section called “Interactive editing”, the section called “Special patterns”
regular expressions: the section called “Regular expressions”
remote invocation: the section called “Invoked remotely”
removing aliases: the section called “Creating and removing aliases”
reserved variables: the section called “Reserved variables”
return: the section called “Positional parameters in functions”

S

sed: the section called “Introduction”
sed editing commands: the section called “sed commands”
sed options: the section called “sed commands”
sed script: the section called “Writing output files”
select: the section called “Making menus with the select built-in”
set: the section called “Local variables”, the section called “Displaying options”, the section called “Displaying functions”
shift: the section called “The shift built-in”
signals: the section called “Introduction”
single quotes: the section called “Single quotes”
source: the section called “Executing the script”
special parameters: the section called “Special parameters”
special variables: the section called “Special parameters”
standard error: the section called “General”
standard input: the section called “General”
standard output: the section called “General”
string comparisons: the section called “String comparisons”
stty: the section called “Introduction”
submenu: the section called “Submenus”
subshell: the section called “Which shell will run the script?”
substitution: the section called “Substitution”, the section called “Replacing parts of variable names”
substring: the section called “Removing substrings”
syntax: the section called “Shell syntax”

T

tcsh: the section called “Shell types”
terminology: the section called “Terminology”
then: the section called “Commands following the then statement”
tilde expansion: the section called “Shell parameter and variable expansion”
transformation of variables: the section called “Transformations of variables”
traps: the section called “General”
true: the section called “Nested while loops”

U

unalias: the section called “What are aliases?”, the section called “Creating and removing aliases”
unset: the section called “Creating variables”, the section called “Deleting array variables”, the section called “Displaying functions”
until: the section called “The until loop”
user input: the section called “Using the read built-in command”, the section called “Prompting for user input”
user messages: the section called “Interactive or not?”

V

variables: the section called “Variables”, the section called “Types of variables”
variable expansion: the section called “Command substitution”
verbose: the section called “Debugging on part(s) of the script”
vi(m): the section called “Writing and naming”

W

wait: the section called “How Bash interprets traps”
whereis: the section called “Writing and naming”
which: the section called “Writing and naming”
while: the section called “The while loop”
wildcards: the section called “Wildcards”
word anchors: the section called “Line and word anchors”
word splitting: the section called “File name expansion”

X

xtrace: the section called “Debugging on the entire script”, the section called “Debugging on part(s) of the script”

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