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# Opening and Closing Files

## Close Statement

Closes a specified file that was opened with the Open statement.

## FreeFile Function

Returns the next available file number for opening a file. Use this function to open a file using a file number that is not already in use by a currently open file.

## Open Statement

Opens a data channel.

## Reset Statement

Closes all open files and writes the contents of all file buffers to the harddisk.