## Display Device Driver Reference for OS/2

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### Script File Structure

A script file is a list of DTT commands that are executed, one at a time, in the order that the commands appear in the script file. When the end of the script file is reached, DTT terminates. Any DTT script command can appear anywhere in a script file. See Sample DTT Script File for an example of a DTT script file.

Script commands are not case-sensitive, except for the test-case name operand of the CHOOSE script command.