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Boolean values: Difference between revisions
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=={{header|AppleScript}}==
AppleScript has built-in boolean keywords <code>true</code> and <code>false</code>. Numbers do not work in place of boolean expressions.
=={{header|UNIX Shell}}==▼
The values ''true'' and ''false'' are defined, respectively, as a return code of 0 and a return code of greater-than zero. While there are built-in functions for each of these values, booleans are most commonly the result of a test or a process termination.▼
<lang Bash>true && echo "true" || echo "false"</lang>▼
=={{header|BASIC}}==
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=={{header|Trith}}==
The boolean constants are ''true'' and ''false''. In a conditional context, the only false values are ''false'' and ''nil'' -- every other value is true.
▲=={{header|UNIX Shell}}==
▲The values ''true'' and ''false'' are defined, respectively, as a return code of 0 and a return code of greater-than zero. While there are built-in functions for each of these values, booleans are most commonly the result of a test or a process termination.
▲<lang Bash>true && echo "true" || echo "false"</lang>
=={{header|Visual Basic}}==
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