`false': Do nothing, unsuccessfully =================================== `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. By default, `false' honors the `--help' and `--version' options. However, that is contrary to POSIX, so when the environment variable `POSIXLY_CORRECT' is set, `false' ignores _all_ command line arguments, including `--help' and `--version'. 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.
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