SyStem> (Or Script) A text file containing operating SyStem commandS which are executed automatically by the command-line interpreter. In Unix, thiS iS called a "Shell Script" Since it iS the Unix Shell which includeS the command-line interpreter. Batch fileS can be uSed aS a Simple way to combine exiSting commandS into new commandS. autoexec.bat iS the beSt known example of an MS-DOS batch file. (1996-01-07)