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Index: Q

question mark (?)

as built-in variable: 5.1.1. Exit Status and Return

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

as wildcard: 1.6.2. Filenames and Wildcards

4.5.2.3. Korn shell versus awk/egrep regular expressions

using with ERR fake signal: 9.1.2.2. ERR

QUIT signal: 8.3.1. Control-Key Signals

8.3.2. kill

8.3.2. kill

quote marks (" "): 1.9.1. Quoting

1.9.1. Quoting

1.9.3. Quoting Quotation Marks

3.4.1. Variables and Quoting

7.3.2. Substitution Order

7.3.3. Quoting

arithmetic expressions and: 6.2. Numeric Variables and Arithmetic

secure shell scripts and: 10.4.1. Tips for Secure Shell Scripts

quoting: 1.9.1. Quoting

7.3.3. Quoting

character strings, rules for: 6.2. Numeric Variables and Arithmetic

command substitution with double quotes: 4.6. Command Substitution

extended: 7.3.3.1. Extended quoting

variables and: 3.4.1. Variables and Quoting

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