Korn Shell Programming by Example

false

Official Description

The false command returns a nonzero exit value.

Syntax

false

Options

None

Oddities

Typically used to check for nonzero exit status.

Can be considered a do-nothing, unsuccessful command.

Example

$ until false                # Keeps looping until false returns true
                             # (never happens)
> do
> date
> done
Sun Nov 26 17:38:22 EST 2000
Sun Nov 26 17:38:22 EST 2000
    (...)
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