Newbie here---two usb drives

[ed.reesor]

I have two usb drives I use for lesson planning. I use one primarily to make changes and I use the other in my teacher workstation for the projector. I want my updated and changed files to reflect in my secondary usb drive exactly the way they are on the primary usb drive. Also, if I make a change in the secondary drive to make changes in the primary drive. Basically I want to update according the newest and latest changes. How do I use FFS to compare, overwrite destination if newer, copy if it doesn't exist and delete files in the opposite drive that have deleted in the primary? I apologize if I'm confusing but, yes, you guessed it, I'm new to all of this.

[Plerry]

If, as described, you also want changes on your secondary USB drive to propgate to your prime USB drive, you should select the Two-way sync variant under synchronization settings (F8) in the GUI.

[ed.reesor]

So if I use the two way option this will do everything I asked about in the original post?

[Plerry]

It should!
For your Compare settings (F6) make sure to select the "File time and size" variant.