The easiest way to record singles or 78s is to add each side of each single or 78 to your collection as a separate album and check the This is a single box in the Record window. VinylStudio will then:
automatically add a track with the same name as the album title (which is generally what you want)
save this track (by default) in a folder called singles when you save your tracks as MP3 files (i.e. all such tracks go in the same folder)
Thus, for example, if you wanted to record Elvis Costello's Watching the Detectives, you would:
Check the This is a single box in the Record window
Add an 'album' to your collection with artist Elvis Costello and title Watching the Detectives; bear in mind that this album will consist of just the one track
Record the single (just the one side)
Tidy up the start and end markers for the track in the Split Tracks window window (to trim off the needle drop, lead in, lead out and needle lift)
This process is then repeated for the B side, and so on for your other singles until you have enough tracks recorded to burn a CD or save your tracks as MP3 files.
For EP's (remember those?), you can do the same thing and add the second track on each side manually in the Split Tracks window.
Recording Other Material with no Trackbreaks
If you had, say, a tape of an interview with The Dalai Lama, the procedure is much the same as recording one side of a single or 78. Thus you would:
Check the This is a single box in the Record window
Add an album to your collection with artist Joe Bloggs (that's you) and title Interview with the Dalai Lama
Record the tape
Tidy up the recording in the Split Tracks window window if you so wish; truncating the recording to remove any silence at the end will save you some disk space.