return false value
false [ignored command line arguments]
Exit with a status code indicating failure.
display this help and exit
output version information and exit
NOTE: your shell may have its own version of false, which usually supersedes the version described here. Please refer to your shell's documentation for details about the options it supports.
GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
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Copyright © 2021 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
Full documentation <https://www.gnu.org/software/coreutils/false> or available locally via: info '(coreutils) false invocation'
Written by Jim Meyering.