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The NASA/GSFC network is currently experiencing intermittent issues that affect our services. We are working on it and apologize for the inconvenience.
The offline tool hark (also on github) can be used to find and download data from the cloud.

Xspec Home Page

Control Commands

Control commands include those for:

  • controlling parallel operations: parallel
  • writing program information: log, (save session to an ASCII file) script (record a set of commands), save (save commands needed to restore the current program state), autosave (automatically run the save command at specified intervals);
  • controlling program output: chatter (control the amount of program output), query (give an automatic response to prompts), tclout and tcloutr (create Tcl variables for manipulation in scripts)
  • displaying status information: show, time, and version
  • ending the session: exit (or quit)
  • displaying online help help and ?. Help can be given either in summary, in specific manual pages, a manual section, or the entire manual.