* INCLUDE:: Include a file within the current one.
* INSERT:: Insert a file within the current one.
* PERMISSIONS:: Change permissions on a file.
+* PRESERVE and RESTORE:: Saving settings and restoring them later.
* SET:: Adjust PSPP runtime parameters.
* SHOW:: Display runtime parameters.
* SUBTITLE:: Provide a document subtitle.
@display
HOST.
+HOST COMMAND=['command'...].
@end display
@cmd{HOST} suspends the current PSPP session and temporarily returns control
to the operating system.
This command cannot be used if the SAFER setting is active.
+If the COMMAND subcommand is specified, as a sequence of shell
+commands as quoted strings within square brackets, then PSPP executes
+them together in a single subshell.
+
+If no subcommands are specified, then PSPP invokes an interactive
+subshell.
@node INCLUDE
@section INCLUDE
This command cannot be used if the SAFER setting is active.
+@node PRESERVE and RESTORE
+@section PRESERVE and RESTORE
+@vindex PRESERVE
+@vindex RESTORE
+
+@display
+PRESERVE.
+@dots{}
+RESTORE.
+@end display
+
+@cmd{PRESERVE} saves all of the settings that @cmd{SET} (@pxref{SET})
+can adjust. A later @cmd{RESTORE} command restores those settings.
+
+@cmd{PRESERVE} can be nested up to five levels deep.
+
@node SET
@section SET
@vindex SET
@item MXWARNS
The maximum number of warnings + errors before PSPP halts processing the
-current command file. The default is 100.
+current command file.
+The special value of zero means that all warning situations should be ignored.
+No warnings will be issued, except a single initial warning advising the user
+that warnings will not be given.
+The default value is 100.
@item PROMPT
The command prompt. The default is @samp{PSPP> }.