:tabnew or :tabnew file – open a file in a new tab
Ctrl + wT – move the current split window into its own tab
gt or :tabnext or :tabn – move to the next tab
gT or :tabprev or :tabp – move to the previous tab
#gt – move to tab number #
:tabmove # – move current tab to the #th position (indexed from 0)
:tabclose or :tabc – close the current tab and all its windows
:tabonly or :tabo – close all tabs except for the current one
:tabdo command – run the command on all tabs (e.g. :tabdo q – closes all opened tabs)