a file that contains commands and control statements. These files normally have .cmd as the extension, although the .bat extension can also be used. Launching (double clicking) one of these files (.cmd or .bat) will launch the NT, 2000 or XP command processor - cmd.exe.
Executable program file of filetype COM. A command file is a machine language object module ready to be loaded and executed at the absolute address of 0100H. To execute a command file, enter its primary filename as the command keyword in a CP/M command line.
A file containing a sequence of commands that you can otherwise enter interactively. The file is saved for convenience and re-execution. Command files are often called by operating-system specific names. In SQL*Plus, you can execute the command file with the START, @ or @@ commands.
A text file containing SQL statements. Command files can be built manually, or they can be built automatically by database utilities. The dbunload utility, for example, creates a command file consisting of the SQL statements necessary to recreate a given database.