"Save the document as often as possible"—this is the first commandment of a software user, but in Scribus this is much more important for several reasons:
First of all, apologies, Scribus is a very nice piece of software but still not perfect (but which one is?). It can crash sometimes, slightly more than you'd wish, and never at a time you would expect or appreciate. Saving often will help you save a lot of time doing again what you've already achieved during the day.
The Scribus undo system acts on layout options but not on text manipulations. Saving often can be helpful if you make mistakes that you can't undo.
In Scribus, we will use File | Save As (or Ctrl + Shift + S) to set the document name and format. It's very simple because you have no other choice than Scribus Documents *.sla. In the list, you will see sla.gz that will be used when the Compress File checkbox will be selected. Usually, a Scribus file is not that large in size and there is no...