If @subcmd{TNUMBERS} is set to @subcmd{BOTH}, then values are displayed with both their label
(if any) and their literal value in parentheses.
@item TVARS
+@anchor{SET TVARS}
The @subcmd{TVARS} option sets the way in which variables are displayed in output tables.
The valid settings are @subcmd{NAMES}, @subcmd{LABELS} and @subcmd{BOTH}.
If @subcmd{TVARS} is set to @subcmd{NAMES}, then all variables are displayed using their names.
[MXWARNS]
[N]
[SCOMPRESSION]
+ [SYSTEM]
[TEMPDIR]
[UNDEFINED]
[VERSION]
@item @subcmd{N}
Reports the number of cases in the active dataset. The reported number is not
weighted. If no dataset is defined, then @samp{Unknown} is reported.
+@item @subcmd{SYSTEM}
+Shows information about how PSPP was built. This information is
+useful in bug reports. @xref{Bugs}, for details.
@item @subcmd{TEMPDIR}
Shows the path of the directory where temporary files are stored.
@item @subcmd{VERSION}