Some window managers, such as Fluxbox, support "tabbed windows". You can group windows into one "superwindow" and then switch these in a titlebar. Maybe this is

Some window managers, such as Fluxbox, support "tabbed windows". You can group windows into one "superwindow" and then switch these in a titlebar. Maybe this is what the GP meant? Screenshot: https://www.reddit.com/r/UsabilityPorn/comments/bqg9tw/fluxbox_here_is_my_mateesque_fluxbox_setup_tabbed/ https://www.reddit.com/r/UsabilityPorn/comments/bqg9tw/fluxb...