iii:~/repos/Factor erg$ !rlwrap 
rlwrap ./f factor.image 
Loading factor.image... relocating... done
Loading /Users/erg/.factor-rc
Factor 0.84 on macosx/x86
ok .
Operating system signal 4

Debugger commands:

:help - documentation for this error
:s    - data stack at exception time
:r    - retain stack at exception time
:c    - call stack at exception time
:get  ( var -- value ) accesses variables at time of the error
ok .
Data stack underflow

Debugger commands:

:help - documentation for this error
:s    - data stack at exception time
:r    - retain stack at exception time
:c    - call stack at exception time
:get  ( var -- value ) accesses variables at time of the error
ok