xc filenamereplacing filename by the name of the file you want to edit. If the file does not exist, it will be created. For example, to edit or create a file named census.data, type
xc census.dataIf the file already exists, XC makes a copy in memory, and all changes you make are only applied to the copy. To quit XC and save the changes, type
fileon the command line at the bottom of the XC screen, and press the ENTER or RETURN key.
To quit without saving the changes, type
qquitinstead and press the ENTER or RETURN key. Note that "qquit" has two q's.