yitzi  ~  sbcl --help
Usage: sbcl [runtime-options] [toplevel-options] [user-options]
Common runtime options:
  --help                     Print this message and exit.
  --version                  Print version information and exit.
  --core <filename>          Use the specified core file instead of the default.
  --dynamic-space-size <MiB> Size of reserved dynamic space in megabytes.
  --control-stack-size <MiB> Size of reserved control stack in megabytes.
  --tls-limit                Maximum number of thread-local symbols.

Common toplevel options:
  --sysinit <filename>       System-wide init-file to use instead of default.
  --userinit <filename>      Per-user init-file to use instead of default.
  --no-sysinit               Inhibit processing of any system-wide init-file.
  --no-userinit              Inhibit processing of any per-user init-file.
  --disable-debugger         Invoke sb-ext:disable-debugger.
  --noprint                  Run a Read-Eval Loop without printing results.
  --script [<filename>]      Skip #! line, disable debugger, avoid verbosity.
  --quit                     Exit with code 0 after option processing.
  --non-interactive          Sets both --quit and --disable-debugger.
Common toplevel options that are processed in order:
  --eval <form>              Form to eval when processing this option.
  --load <filename>          File to load when processing this option.

User options are not processed by SBCL. All runtime options must
appear before toplevel options, and all toplevel options must
appear before user options.

For more information please refer to the SBCL User Manual, which
should be installed along with SBCL, and is also available from the
website <http://www.sbcl.org/>.

 yitzi  ~  sbcl --wibble --help
This is SBCL 2.4.1, an implementation of ANSI Common Lisp.
More information about SBCL is available at <http://www.sbcl.org/>.

SBCL is free software, provided as is, with absolutely no warranty.
It is mostly in the public domain; some portions are provided under
BSD-style licenses.  See the CREDITS and COPYING files in the
distribution for more information.
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