资料来源 : Free On-Line Dictionary of Computing

get.com
     
         A command which can be created using debug
        in {MS DOS} to set the errorlevel according to which key is
        pressed.  The errorlevel can then be interrogated from a
        {batch file} by a series of commands like this:
     
         get
         if errorlevel 118 goto E118
         if errorlevel 117 goto E117
         if errorlevel 116 goto E116
         if errorlevel 115 goto E115
         if errorlevel 114 goto E114
     
        where E118 etc. are labels in the batch file.
     
        (1996-02-01)