false: Linux Commands HowTo
false: Do nothing, unsuccessfully
Do nothing, returning a non-zero (false) exit status
Syntax
false
`false? does nothing except return an exit status of 1, meaning
"failure". It can be used as a place holder in shell scripts where an
unsuccessful command is needed.
`false? ignores all command line arguments, even `--help? and
`--version?, since to do otherwise would change expected behavior that
some programmers may be relying on.
This version of `false? is implemented as a C program, and is thus
more secure and faster than a shell script implementation, and may
safely be used as a dummy shell for the purpose of disabling accounts.
"False in one thing, false in everything" - Legal maxim
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