Some modules (e.g., TABLE) print their output information into ASCII files. Typically, the modules open such files in append mode, so they do not overwrite the data stored in these files previously. If this is not desirable, use *setup to modify the file open mode. This also allows to append data to files even if they are opened for overwriting by the modules.
The name '*' ( single asterisk) is reserved for the standard output (log file) or standard input. Thus, i.g., '*call table *' will perform output to the terminal, unless the standard log stream for the module *table has been redirected using *setup, as explained above. Standard log messages and error messages are directed into two output streams which can be assigned independently for each module (or a group of modules) using module *setup. The default value for these streams is user terminal.